Displays a grid pattern in the current viewport.

Restricts cursor movement to specified intervals.

Calibrates, configures, and turns on and off an attached digitizing tablet.

Manages user coordinate systems.

Controls the visibility and placement of the UCS icon.

Controls coordinate and angle display formats and precision.

Controls the format and update frequency of coordinates on the status line.

Stores the current elevation of new objects relative to the current UCS.

Controls the use of the tablet.