application window
  • An area on a computer screen with defined boundaries, and within which information is displayed. Such windows can be resized, maximized, minimized, placed side-by-side, overlaid, and so on. Each window can be that of a separate application, while a single application may have any number of windows open at a given moment. When two or more windows are open, only one is active, and the rest are inactive. Also called window (4).

Not what you were looking for?