Panel template design jobs

I'm looking for a Python developer working with Selenium to develop two separate apps. These apps are required to automate the submission of URLs from Text file...one URL submission at a time, therefore I need a solution to streamline this task. The data to be submitted is URLs only, with no additional company, product, or service details to be included. Key tasks include: - Building a user-friendly application that can handle and submit multiple URLs to each respective website - Ensuring each app is configured to submit URLs in the specific format or template required by each directory website Ideal skills for this project: - Proficiency in Python and Selenium - Strong experience in web scraping and automation - Attention to detail to adhere to the specific URL submissio...

I'm in need of a robust mobile forensic software that is able to operate seamlessly on Android and iOS. Its functions should include, but not limited to the compatibility with Google Cloud, Whatsapp backup files, both local and cloud based and Google Takeout. Some of the critical data that the sof...is a must, as the software will handle sensitive data. All extraction must have hash log to certify the acquisition. FULLFILESYSTEM Acquisition is mandatory. Not already rooted device is mandatory Screenshot acquisition option is required Moreover the software must read (parsing) all the information acquired in a readable format. The use can export the selected evidences in pdf, excel, rtf. The template of the export layout could be customized by user. More information will be prov...

I'm seeking a skilled designer to create a professional and formal MS Word report template for my business operations. This template should be well structured and easy to fill in. The template must include these sections: - Title Page - Executive Summary - Body of Report - Chart Format - References Ideal candidates will have a background in corporate design and a keen understanding of formal aesthetics. Proven experience in MS Word template design is essential. I look forward to seeing your portfolio and discussing how you can bring a touch of professionalism to my reports. Successful report design would see repeat business for a few other report designs

We developed custodial wallet using Kotlin, JAVA, Node.js, etc. and when we click the "send" button coins cannot be sent. Please check and fix the issue. apk backend admin panel

I'm seeking an expert videographer with experience in commercial video production and a good understanding of TikTok's audience and trends. The project involves creating a highly professional TikTok video showcasing my acoustic wall panels with the photos given. Below are the specifics: - The product to be sold is acoustic wall panels. - The design preference is 'Standards Straight Edge.' - The required dimensions for the featured panel is 48 inches. The ideal freelancer should have a knack for creative storytelling that effectively sells products and evokes a desire in potential customers. Prior work involving similar products or TikTok promotional videos will be looked upon favorably.

... Prior practice on the provided editor is required before recording. The purpose of this contest is to determine who can recreate the template in our editor most effectively and to report any bugs and suggestions for improvement during the recording. The editor provided for recreating the template is: It is reiterated that we have provided the editor for you to recreate the template. You must select one of the templates attached on Freelancer to recreate. Your design process must be fully recorded; failure to do so will result in disqualification. You will have 25 minutes to create the design during the recording. While recording, you are expected to report any glitches encountered. Feedback on improving the editor is also required. Please refer

...like this one to streamline the web development process. Project Requirements: Platform: WordPress, to facilitate easy updates. Design: A modern and creative template that reflects innovation and creativity in web development. SEO Enhancement: Including comprehensive SEO services will be considered a valuable addition. Content and Images: To be generated using advanced AI tools like ChatGPT. Timeline: Completion within 4 days. Budget and Compensation: Base Budget: $200, with the potential to increase up to $300 for additional services. Domain Purchase: $20 allocated from the total budget for domain acquisition. You will need to transfer the domain to my GoDaddy panel as I have credits to use freelancer. Communication: As I am a Spanish speaker, proficiency in S...

I'm looking for a Zoho expert who can help me with improving my inventory management, streamlining sales and customer relationship management, and increasing overall efficiency and productivity. Looking to build a template platform that will be recreated across multiple companies. Key Responsibilities: - Assist with data import/export in Zoho Inventory - Customize fields and layouts in both Zoho Inventory and CRM - Integrate Zoho Inventory with my existing CRM system and sales tracking system Ideal Candidate: - Proven experience with Zoho Inventory and CRM - Strong understanding of inventory management principles - Experience in customization and integration of Zoho systems - Excellent communication and problem-solving skills Your assistance will significantly help me to bet...

Hi, I'm looking for a graphic designer who has a deep knowledge of American culture, style, and trends. Your task: - Create a cute womens birthday design similar to the example provided. - Provide Adobe Illustrator (.AI) files with ALL design elements fully editable. - Design files must not have text converted to outlines or flattened unless specified. All text and elements must be fully editable - Adapt the provided example into a similar design without directly copying it. Requirements: - Deep understanding of American culture trends and style - Proficient in using Adobe Illustrator. - Great at choosing the right fonts and color schemes - No use of AI-generated elements. - Utilize only print-on-demand approved graphics from or original hand-dr...

see attached image. I think I have a bogus plugin that is causing this . its a Wordpress site. it seems to work fine, its just when I log in to Wordpress panel website is

...specifically S&P500 Index - Strong analytical skills to ensure the calculations and data analysis are accurate and reliable - Excellent communication skills to understand my requirements and provide regular updates Some of the key responsibilities and tasks include: - Automating the extraction of S&P500 Index data - Creating formulas and calculations to analyze the extracted data - Developing a template for generating reports based on this data - Ensuring the automation is error-free and the reports are accurate - Providing regular updates on the progress and seeking feedback for improvements If you have the necessary skills and experience, please bid for this project. Your understanding of the financial industry and the S&P500 Index will be an added advantage. Look...

For this project, I'm looking for an expert in Perfex CRM with a knack for creating well-organized and professional-looking PDF templates. Here's what I need: 1. "Total Amount" ...the total amount with a written format. - The currency should be displayed in words and must be in Euros (EUR). 2. Footer Alterations: - Incorporate legal information about my company in the center of the document footer. These modifications are crucial for improved visual representation and legal compliance. The freelancer hired for this task should understand the principles of layout design, the specifics of the Perfex CRM system, and be able to work independently with minimal supervision. An eye for detail and strong understanding of legal requirements in business documentat...

I'm seeking a professional who can help me integrate my Shopify store with Amazon to ensure real-time inventory synchronization. Key Responsibilities: - Create a feed template for the Amazon integration - Set up my products on the Amazon platform in a seamless manner - Ensure the inventory synchronization is in real-time Ideal Skills & Experience: - Prior experience with Amazon integration, particularly with Shopify - Expertise in creating feed templates and managing product listings - Proficiency in inventory management and synchronization - Ability to ensure smooth operation of the system and troubleshoot any potential issues. Please only apply if you have a track record of successful Amazon integrations and can provide references or examples of your previous work. S...

...light blinking pattern. The trigger for this action will be a warning light in my dashboard. Details: - The ESP-WROOM-32 board is my Arduino of choice. It should be programmed to perceive the status of my dashboard’s warning light. - Once the Arduino detects that the warning light is on, it must signal for another light to blink. -I want to splice into another warning light on my car instrument panel and use the power feed on that as my input signal for the arduio - I prefer the blinking pattern to constitute 5 blinks, followed by going out. -I can power the board from a 9v battery if using the voltage from the car is too dicey. I don't mind if the battery runs out quick - Final output should be a detailed project scheme, the respective Arduino code for this light ...

...room, including walls, doors, windows, and other architectural features. 2. **"THEN YOU NEED TO DESIGN IT"**: After receiving the 2D floor plan, the designer (in this case, you) will be responsible for designing the space. This involves arranging furniture, selecting wall materials, deciding on color schemes, and any other design elements necessary to create a cohesive and functional interior. 3. **"WITH AVAILABLE RESOURCES THAT I HAVE IN MY FURNITURE SHOP"**: The design should incorporate furniture and other items available in my furniture shop. This could include sofas, chairs, tables, lighting fixtures, and other furnishings. 4. **"AND WALL MATERIAL LIKE LOUVERE CHANNEL, PVC ETC"**: The design should also utilize available ...

I'm looking for a Joomla/Virtuemart expert to assist us in integrating our products into our new Joomla/Virtuemart template. Key Requirements: - Integration of some product categories into the main page, (then we can do the others), and change some of the pictures/ads on main page to our sliding banner. - Setting up multi-tier pricing for products based on quantity ordered, and able to select colors and have picture change to that color item.(only need do a few, then we can do the others). - Creating a written guide or video for us on how to manage products and categories on the main page. It's vital that you have a strong understanding of both Joomla and Virtuemart to successfully complete this project. Your experience in e-commerce and product management will also be ...

Current inventry and pos system using this script with SAAS with All modulers, login and see how is that i need to change resking, frint end with this template. .............................................................................................. I'm looking for a Laravel Backend Developer who's adept at API integration with a focus on user authentication and authorization. On the other hand, I also need a VueJs Frontend Developer who can handle complex, real-time data & websocket integration. Key Requirements Include: - Laravel Backend Developer: - Strong experience in API integration - Expertise in user authentication and authorization - VueJs Frontend Developer:

We're in need of a Firebase and Flutterflow expert to craft an alarm-receiving app compatible with Android and iOS platforms. Your main tasks will revolve around: Setting up user registration, profiles, alarm notifications, and a history log Ensuring alarms persist until acknowledged Crafting a user-friendly web admin panel for app management Using cloud functions to create an HTTP endpoint for JSON data reception Developing a device management page, including adding devices, assigning properties, and linking them to client profiles Creating and managing client and user profiles, including assigning users to clients or groups In essence, the app should allow for the creation of client profiles with customizable fields. JSON data received from devices in alarm states should be ...

For this project, I'm looking for an expert in Perfex CRM with a knack for creating well-organized and professional-looking PDF templates. Here's what I need: 1. "Total Amount" ...the total amount with a written format. - The currency should be displayed in words and must be in Euros (EUR). 2. Footer Alterations: - Incorporate legal information about my company in the center of the document footer. These modifications are crucial for improved visual representation and legal compliance. The freelancer hired for this task should understand the principles of layout design, the specifics of the Perfex CRM system, and be able to work independently with minimal supervision. An eye for detail and strong understanding of legal requirements in business documentat...

We developed custodial wallet using Kotlin, JAVA, Node.js, etc. and when we click the send button coins cannot be sent. Please check and fix the issue. apk backend admin panel

I'm in search of an innovative and experienced website designer who is willing to step outside the box and push creative boundaries. Not tied to any specific template or color, I am eager to see your creative flair shine. Main Objectives: - Design a new algorithm that maintains a fresh and innovative aesthetic - Experiment with unconventional layouts - Utilize a mix of color palettes Essential Skills: - Proven experience in communication to persons with different design - Ability to create unique layouts - Aptitude for color theory and application Your portfolio should demonstrate your ability to meet these objectives. Looking forward to collaborating and bringing this project to life.

I need an expert to create a detailed PowerPoint template from a provided PDF. The purpose of the template is for marketing. The following are the project requirements: - More than 20 unique slide designs. Total number of slides: 37. The PowerPoint presentation should accurately reproduce the PDF document without any inconsistencies or variations. Images, icons, and other assets will be provided. - 3 colour schemes: The primary colour scheme should match the PDF, and two additional unique colour schemes are required for variety. We will define the two additional colour schemes. - No animation is needed. Just transitions. The ideal freelancer for this project should be a PowerPoint design expert with a meticulous eye for detail. A profound understanding of colour ...

...some optional duties….we might assign it or not. Kitchen duties assignment form, and restaurant duties assignment form…..word formats of these forms are attached. Duty type – full or half Employee table – name, role, salary type, salary, and other personal details, Based on the duties assignment we should calculate summary reports…head count reports…..cost incurred report…. Weekly Duty roster template/ or default values for a duty, these defaults can be changed.…..fixed duties with fixed employees…this helps the manager to enter the data quickly…. Restaurant duties are different – there will be 4 shifts. And 3 halls. Each hall has maximum number of duties…..waiters need to assigned to those duties&h...

We are looking for someone to take a T-Shirt mockup from a supplier and make a Photoshop action the shirt transparent so it can be used in an online customiser with the background colour set. This should retain highlights and shadows, and work correctly to show the correct colour through when any colour is set as the background. You can see an example of how this should work in the attached files (we have original and completed files). Any queries please ask.

I'm seeking a professional to create a comprehensive safety checklist template for our train rolling stock. Key Requirements: - Crafting a checklist specifically for trains, with a focus on all safety aspects. - Including mandatory fields like train identification number, date of inspection, and inspector's name. Ideal Skills & Experience: - Extensive experience in safety management, ideally within the transportation sector. - Proficient in drafting comprehensive checklists, particularly for rolling stock like trains. - Attention to detail is crucial, as the checklist will be used for safety assessment. Your task will be to ensure that all critical safety aspects are covered so that our rolling stock operations can be thoroughly evaluated and managed.

I'm in search of a frontend developer who is proficient in React.js and has experience with a range of libraries and frameworks. I need this same frontend . Username__ choudhary1234 Pass__ Abcd1234 it has also admin/management panel., so we need this design also

ob Title: Freelance PowerPoint Template Designer Objective: Design a unique and professional PowerPoint template that aligns with our brand’s identity and communication goals. Responsibilities: Create a custom PowerPoint template with various slide layouts. Ensure the template reflects the brand’s color scheme, typography, and style. Incorporate infographics, charts, and other visual elements as needed. Skills Required: Proficiency in graphic design and PowerPoint. Experience in branding and corporate identity. Ability to translate concepts and ideas into engaging visual presentations. Deliverables: A fully editable PowerPoint template. A set of slide layouts for different types of content (ti...

...electronics expert to assist in the design of a mains-powered, digital panel meter, tailor-made for precise voltage measurements displayed via a crisp LED interface. I'm focusing on achieving a perfect blend of precision, reliability, and convenience. Key tasks include: 1. **Voltage measurement design**: The core function of this digital panel meter is to measure voltage in an efficient and reliable manner. 2. **LED Display Integration**: I want the measurements visible clearly and easily on an LED screen for optimal viewing. 3. **Mains Power Compatibility**: This panel must run on mains power, thus requiring knowledge on mains power system design for durability and safety. An ideal partner for this project would be proficient in elect...

Main Functions: - Admin control panel - Provider web panel - Online booking website - Landing page - User Android iOS app - Provider Android iOS app - Serviceman Android iOS app All Categories: Laundry, roofing, electrician, construction, Car Wash, pest control, Plumbing, Painting & Renovation, House Cleaning, Gadget Repair, Emergency, Car Service, Beauty & Salon, Appliance Repair and more.. Features: Multiple Service Providers Booking Management In-app Messages Rating and Reviews Deals/discounts/promotions Ads, Navigation Light or Dark Theme Multi-Languages Support Multiple Payments Gateway Multi Currency Tracking and Filter Bookings Help & Support for customers Favorites, Wishlist. Accept/Deny Bookings Service Management And much more..

...deck into our standard reusable template. The template must provide solid foundation for us to create our own presentations moving forward. Key Requirements: - Incorporating Text, Images, Charts and graphs: The redesigned deck includes these elements, and I need them seamlessly integrated into our company template. - Adherence to Company Standards: You'll need to use our fixed preferred company fonts and colours etc.., ensuring the deck is consistent with our branding. Details: - The slide deck contains over 20 slides, so you should be comfortable working with larger presentations. Ideal Skills: - Proficiency in PowerPoint: You should have a strong command of PowerPoint and be able to manipulate elements easily. - Design Sensibility: An eye for ...

...the provinces where that activity is available. This functionality exists on yumping but not on Everent. Lastly, upon selecting a specific province for the chosen activity, a landing page should display all the offerings for that activity in the area. This landing page should also include text, possibly placed in a sidebar, providing information about the activity in the area. This text is template-based and should be automatically replicated across all provinces, with only the province name changing accordingly. I'm attaching some images of how Yumping currently implements this, which might help streamline the process. The rest of the functionalities observable on Yumping are not necessary. Visually, it should be adapted to fit seamlessly with the rest of our website...

I have a php html5 flash js based game for Vesta (Centos 7) panel and a high security installation instruction for vesta. There are detailed nginx directives, I need a friend who can install / apply them in the plesk panel. So what I need is to fulfill these installation instructions in a way that is suitable for plesk centos 7 and to install the game, to take note of every installation step and adjustments made for plesk while installing the game and to create an installation instruction in accordance with plesk and share it with me. The most suitable candidate: - Expertise in CentOS and general Linux systems. - Experience in game installations on Linux. - Courteous, efficient and effective communication.

I'm seeking an experienced C# developer to port a python webapp app to a C# web app (most likely ASP .NET with RazorPages). There is no database, all the dat...API. Key Skills & Experience Required: - understanding the fastapi + jinja templates (python based) - Hands-on experience in developing RESTful APIs using C# - simple and clean code - data serialisation The entire app has 100 lines of code + ca 100 lines of HTML template There are 3 buttons and about 6 endpoints Task: GIVEN: A simple webapp in python (fastapi + jinja) RESULT: - A webapp with the same functionality based on C# - it should be easy to understand / clean code - data serialisation as in the python app / template - short documentation (dependencies/install/deploy) Only apply if you actu...

so as per discussion, you want to make 2 template design change, i will make it same like you gave

I'm in need...essential for the success of the ecommerce page. - Custom Domain Support: The system should also support custom domain mapping, allowing my tenants to use their own domain names. The design of the ecommerce page should be minimalist in nature, ensuring a clean and user-friendly interface for customers. Ideal Skills and Experience: - Proficiency in Laravel and experience with multitenant systems. - Strong understanding of user authentication, product management and payment integration. - Experience with custom domain mapping in web applications. - A keen eye for design, particularly in minimalist web design. If you have the expertise in these areas, I'd love to hear from you. Please provide examples of similar projects you've worked on ...

I'm looking for a skilled developer who can create a page similar to But much simpler. So basically user can use three fields (Keyword, Location, Subject) and the results should be listed and when a result is selected by a user, the right panel will render the relevant information (same way as ). I want everything to be component based so I can easily remove or add when needed. Each component should be ready to be used with a great design. My website is on Wordpress using Avada Theme. So I would prefer to use the same theme if possible. This will be an ongoing project based on how well it is implemented and its success. I will chose a professional who offers a fair price as I want to go minimal first and then expand. Thank you. Kam.

...receive messages readily. - Voice Calls: The app should enable voice calls between users. - Video Calls: Users should be capable of video calling one another. - File Sharing: The capability to send and receive files, such as photos, docs, and more. - Voice and Video Sharing: Users should be able to share voice notes and videos alike. - Able to change logo, colors, fonts and app name through admin panel for private and internal use of companies. - I will own the full royalty of the app. The developer undertaking this should ideally possess extensive Flutterflow experience and grasp on integrating varied chat features. Solid background in mobile app development for all platforms, especially Android and iOS, would significantly contribute to this project. Language support isn'...

I'm looking for a talented WordPress developer to build my website. I will provide the template. I will provide the design idea and you implement the design, so you will not have to worry about that, but I do need assistance implementing it into WordPress. Specifically, I expect: - Implementation of my provided design into the WordPress platform - Creation of an e-commerce feature for my online products - A custom contact forms for client queries I have a specific WordPress theme in mind, details of which I will share after hiring. Ideally, you have extensive experience in WordPress, particularly in building e-commerce sites, and in working with custom themes. Your expertise in my theme would be a huge plus. I'm also looking for someone who's c...

I'm in need of a custom bill format in Excel that incorporates my company's logo and branding. The bill should have automated calculations for the ease of use. Key Requirements: - A customized Excel bill format with a professional finish - Integration of the company's logo and brand...of use. Key Requirements: - A customized Excel bill format with a professional finish - Integration of the company's logo and branding into the bill - Automation of calculations within the bill Ideal Skills: - Proficiency in Excel, including advanced formula creation - Experience in design, particularly in creating professional, branded documents - Understanding of automated calculations and their implementation within Excel Upon completion, I expect to receive the Excel file ...

I'm currently in need of a professional with stro...professional with strong experience in CodeIgniter + Bootstrap, for an urgent task. I need the person for complete redesigning of dashboard, The code is of codecanon you can find that here demo code is Just look at the website carefully, before placing the bid. I will also provide you the html template of dashboard to change I need someone who can complete the work asap. Note:- kindly check the above code carefully and all my simple requirement is written above, so don't try to place low bid only to come into inbox, just place your final price bid else i will directly stop replying you in inbox if you will change your bid amount there.

...develop an additional admin page for my website. The core functionality should be focused on price management within the product management section. Key Project Tasks: - Implement an admin page in my site structure - Create a price management module within this page The critical component of this page should be setting product prices. Your expertise in WooCommerce and understanding of admin panel functionality will be pivotal in this project. Ideal Skills: - WordPress and WooCommerce proficiency - Prior experience with admin page creation - Strong understanding of eCommerce price management I'm looking for a streamlined, efficient solution that allows me to control my product pricing intuitively. Your ability to understand and implement these requirements will ...

I'm seeking a research analyst with a keen interest in blockchain and the marketing industry. Your task will be to put together a comprehensive, yet basic overview report on how blockchain technology is being adopted within the marke...high-quality, succinct reports that distill complex information into manageable, informative content. - Understanding of blockchain technology and its potential applications within the marketing sector. This is a small project with an estimated duration of under 1 weeks. A document of approximately 20 pages is required. Any design or photo may be applied. Here's what I expect the report to look like: 1. 2.

...primary platform for the website will be my own custom site, rather than an existing platform like Shopify or WooCommerce. Key points: - The design of the website can be either custom-built or based on a pre-designed template. I'm open to both options, and would appreciate your input on the best approach. - The core functionality of the website will be a product catalog with categories. This means we need a clean, user-friendly interface where customers can easily locate and browse through our range of products. I'm looking for a developer with experience in e-commerce website development, who understands the importance of user experience and design. Please provide examples of similar projects you have worked on, and let me know your approach to buildin...

I'm looking for an experienced website develop...confidence in purchasing courses. - Refer & earn - an additional feature to motivate users to spread the word about the courses. - Uploading video & text contents securely - to protect the intellectual property of the course creators. - Dynamically management panel - that allows easy administrative control over the courses, users, and other website features. The website's target audience will be students, professionals, investors, and traders. Because of the diverse nature of this audience, user experience should be a keen focus in your design process. Ideal candidates will have proven experience developing e-commerce websites with similar functionalities. Understanding of online education platforms and their...

...should be intuitive and seamless. - **Template Creation**: The most critical feature for my app is the ability to create new templates for forms. The app should allow for the creation of custom forms based on various fields. - **Template Modification**: It would also be beneficial for users to have the option to modify existing templates, enabling flexibility in the forms they use. - **Exporting & Printing**: The app should be capable of exporting data in a user-friendly format, preferably as a PDF. Additionally, the ability to print the forms would be a great asset. Create a qr to access the template Ideal freelancers for this project would have experience in: - Android app development - User interface design - Data collection and management systems -...

...Ciellie Solar Survey Technician, you will be responsible for conducting site surveys and gathering data to assist in the design and installation of solar systems. This role allows you to set your own days, hours and travel radius. You can work whenever you please, so it is a great opportunity for those seeking supplemental income with a flexible schedule. A perfect fit for gig-workers and those who are qualified seeking to increase their income on the side or gain more experience in the surveying/solar industry! A Ciellie Solar Survey Technician travels to residential project sites around the state in a 50-150mi radius to complete survey data collection in support of solar design/installations. You provide the times that work for you, and you will be assigned surveys accor...

I am looking for a professional who can export the text and numeric data from a PDF table into an Excel spreadsheet. I would like the Excel data to be organized according to the fields in the PDF table. All fields in the PDF table should...data transfer - Excellent attention to detail for verifying and cross-checking data - Familiarity with text and numeric data formatting in Excel - Capable of delivering accurate and organized final results. There will be 901 rows of Excel data, with 52 columns. Exporting from PDF skews the data and sometimes its not consistent (mapping mostly worked, I found around 160 odd entries were wrong). A template Excel file will be supplied, and the pdf file on acceptance of the job. Samples of the data have been provided in the screenshots attached to th...

I'm seeking an expert in Photoshop who can skillfully rearrange a PSD template to a specified shape. - Required Skills: Proficient in Adobe Photoshop, understanding of design principles, attention to detail. - Project Brief: I will provide the PSD template that needs rearranging into a specific shape. The template includes text, image and background elements. - Objective: All elements in the template, including texts, images, and background should be rearranged without losing their visual appeal or quality. Experience in similar tasks would make you an ideal candidate for this job. Looking forward to shaping this project with you!

...Ciellie Solar Survey Technician, you will be responsible for conducting site surveys and gathering data to assist in the design and installation of solar systems. This role allows you to set your own days, hours and travel radius. You can work whenever you please, so it is a great opportunity for those seeking supplemental income with a flexible schedule. A perfect fit for gig-workers and those who are qualified seeking to increase their income on the side or gain more experience in the surveying/solar industry! A Ciellie Solar Survey Technician travels to residential project sites around the state in a 50-150mi radius to complete survey data collection in support of solar design/installations. You provide the times that work for you, and you will be assigned surveys accor...

Hello i have a site with yootheme and Phoca Cart. Works but i need an override of the checkout. I need that is more similare to template. I attach images to explain