This statement is not entirely accurate. Web Applications generally refer to applications running on a web server that interact with users through a web browser.
These applications are not limited to providing information to other websites. Their main purpose is to provide various services or functions to end users (such as website visitors).
Web applications can perform a variety of tasks, including but not limited to:
1. Content display: displaying text, images, videos, audio, etc. to users.
2. Data processing: processing user input data, such as information submitted by a form, and executing corresponding business logic.
3. User interaction: interacting with users through a graphical user interface (GUI) or a command line interface (CLI, although not common in web applications).
4. Dynamic content generation: dynamically generating web page content based on user requests or data in a database.
5. Providing APIs: providing data interfaces (APIs) for other websites or applications to enable them to obtain or modify data in web applications.
Although web applications can indeed provide information to other websites or applications through APIs, this is only part of their functionality. More importantly, they directly serve end users and provide rich online experiences and services.
Therefore, to be more precise, a web application is a software that runs on a network server, interacts with users through a web browser, and provides a variety of online services and functions, including but not limited to providing data interfaces to other websites or applications.