The applications tag is used in the context of computer software.
Applications is a very broad term:
Applications refer to computer or web-based software that enable a user to complete a specific task or activity. Applications can be run in an operating system or in a web browser.
Applications are sometimes referred to as software, software applications, programs, or apps, depending on the context.
Applications have a variety of purposes, including:
- Data and/or informational organization
- Enterprise management
- IT Infrastructural Support
- Entertainment & Media
- Product Engineering
Questions on Superuser with the applications tag are expected to encompass a broader perspective on software as a whole, not necessarily a specific software application. Consider tagging questions specific to a particular software application with it's appropriate tag, if available.
Questions related to the design of applications are better suited for Stack Overflow.