AutoCAD Commands Explanations 
Absolute Coordinates
Change Properties (CHPROP)
DDEDIT
EXTEND

HIDE
INSERT
LAYERS

Line Types
MOVE

MVSETUP
Object Snaps (OSNAP)
OFFSET

ORTHO
PLOT

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