To enter coordinates relative to the WCS
To specify a new UCS with three points
To rotate the UCS around a major axis
To define a new UCS origin in 3D
To define a new UCS with a specified Z axis
To define a new UCS with particular X and Y axes
To shift the XY plane
To select a UCS preset
To restore the location and orientation of the previous UCS
To change the UCS dynamically