A pivoted window has one sash only, hinged at its center. It can swing open either vertically or horizontally.
The topic for each kind of Window describes its unique controls and behavior. Most Window parameters are common to all kinds of Windows,see Windows
Width: Sets the width of the rails in the sash.
Vertical Rotation: Check this to switch from a horizontal pivot to a vertical pivot.
Open: Specifies the percent that the window is open.
Generate Mapping Coords: Assigns mapping coordinates to the window.
For an explanation of how to create a Window, see Windows