 contain the 15-bit absolute color levels.</LI>

<LI>
SC: Screen. Usually refers to the tile map for a BG, which is stored in
VRAM.</LI>

<LI>
BG: Background. There are up to 4 BGs, or "layers", of tiles that form
the basis of SNES graphics. These BGs can be scrolled, and a special type
of BG, in "Mode 7", can be scaled and rotated and stuff to look 3-D.&nbsp;
Sometimes the term "plane" (scrolling plane, as opposed to color plane)
is used (BG1=Plane 0, BG2=Plane 1, etc.)</LI>

<LI>
Sprites: Everybody knows 