apply(To put into operation or to use); app(A set of instructions that a computer uses to perform a specific task, such as word processing, accounting, or data management); application(A Commerce Server application is a logical representation of an application in Microsoft Internet Information Services (IIS); it appears in both Commerce Server Manager and the IIS console trees. In the IIS console tree an application is either at the root directory level of the Web site or at a subdirectory level of the Web site)
ASP.NET Web application(An application that processes HTTP requests (Web requests) and executes on top ASP.NET. An ASP.NET Web application can include ASP.NET pages, XML Web services, HTTP handlers, and HTTP modules)
Web application(A software program that uses Hypertext Transfer Protocol (HTTP) for its core communication protocol and that delivers Web-based information to the user in the Hypertext Markup Language (HTML) language)
WOPI application(A web application server, such as Office Web Apps Server, that uses WOPI and WOPI conventions to integrate with a host server, and is designed to view and edit files stored by the host)
Multi-Factor Authentication app(An application that can be installed on a user's mobile device to receive notifications and to verify that their sign in attempt was valid)
Application XML(An XML-based serialization format used by SharePoint-based servers to represent Access Services database applications. It includes database properties, queries, forms, reports, and macros)