A contiguous area of memory set aside for the video display and logically organized as if it were a rectangular shape. All displays consist of one or more bitplanes; each additional bitplane doubles the number of colors that can be displayed.
![[Index]](../images/index.gif)
![[Contents]](../images/toc_d.gif)
![[Help]](../images/help_d.gif)
![[Retrace]](../images/retrace_d.gif)
![[Browse <]](../images/prev.gif)
![[Browse >]](../images/next.gif)