AutoCAD Commands Explanations 
Absolute Coordinates
DDEDIT
EXPLODE
EXTEND

HIDE
INSERT
LAYERS

Line Types
MOVE

MVSETUP
Object Snaps
(OSNAP)
OFFSET

PLOT

Relative Rectangular Coordinates
Relative Polar Coordinates
RENDER
SOLDRAW
SOLVIEW
STRETCH
User Coordinate System (UCS)
Viewpoint (VPOINT)
Viewports (VPORTS)
VPLAYER
ZOOM
XP