Glossary of terms

Web application

A web application is a software application that runs on a web server and is accessed through a web browser over a network, typically the internet. Unlike traditional desktop applications, which are installed locally on a user’s computer, web applications are designed to be platform-independent and can be accessed from any device with a web browser. They often provide a user interface that allows users to interact with the application, perform tasks, and access information. Web applications can range from simple websites with basic functionality to complex systems with advanced features such as e-commerce platforms, online banking portals, and collaboration tools. They are built using web technologies such as HTML, CSS, JavaScript, and server-side scripting languages like PHP, Python, or Ruby, and they often rely on databases to store and manage data. Web applications have become an integral part of modern computing, offering a convenient and accessible way to deliver software services to users across the globe.

The development of a web application typically begins with gathering and analyzing requirements, where the project team works closely with stakeholders to understand the goals and scope of the application. This is followed by the design phase, where the application’s architecture, user interface, and technical components are planned and documented.

Development involves writing code to implement the design, often using languages like HTML, CSS, JavaScript for the front-end, and server-side languages like Python, Ruby, or PHP for the back-end. Testing is a critical phase in web application development, where the application is rigorously tested to ensure that it functions as intended, is secure and performs well under various conditions. This includes unit testing, integration testing, and user acceptance testing. Once the application passes testing, it is deployed to a production environment where it can be accessed by users. Web applications are used in a wide range of industries and for various purposes. They can be simple websites that provide information or more complex applications that offer interactive features, such as online shopping, social networking, or project management tools.

Web applications are accessible from any device with a web browser and an internet connection, making them widely accessible and convenient for users. They are often designed to be responsive, adapting to different screen sizes and devices, to provide a consistent user experience across platforms.

Web applications are also commonly integrated with other systems and services, such as databases, APIs, and third-party services, to enhance their functionality and capabilities.

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