Definitions for "Window frame"
(n.) The visible part of a window that surrounds a software application. A window frame can contain a maximum of five controls: title bar, resize borders, minimize button, maximize button, and the Window menu button.
The window unit less sash.
a border around a window
Keywords:  pane, boxed, except, glass, holds
The boxed opening that holds the glass pane of a window. All window parts except the glass.
Keywords:  framework, supports
the framework that supports a window
Keywords:  opening, lining
The lining of the window opening.