Local coordinate system

Every entity defines is own coordinate system, which is moved when the user call MOVE, ROTATE or another AutoCAD command. By defining a point in the local coordinate system, you are sure this point follow the entity when moved or rotated. o, x, y and z are symbolic constants corresponding to the origin and the axis of the coordinate system. You can also use the [] operator to define a point in the local coordinate system.
See also
	global coordinate system