a nonvisual object that maintains high-level information about your application and is the entry point into your application

a session object (such as a shopping cart) that you want to make accessible to the Personalization and WebSphere Studio

a visual object used to combine multiple frames

An atomic element of an application reference model that defines a unique application concept and contains attributes specifying the data elements of the object [ISO 10303-1: 1994].

An object (of the WOApplication class) that represents a single instance of a WebObjects application. The application objectâ€(tm)s main role is to coordinate the handling of HTTP requests, but it can also maintain application-wide state information.