If Document map is checked (enabled) in the View tab, this will display an outline of the active document, like a filmstrip, on the right side of each file. A "viewport," or frame, within the document map indicates the portion of the active file currently visible in the edit window. You can click at a different position in the document map to reposition the viewport, or you can click in the viewport and drag it to another location.
The context menu in the document map includes the following options:
Because the document map uses split window, it will be hidden when split window is enabled.