Anchor
Active: Sets the workplane as active; all inserted objects will be located or based on this workplane. Also indicates the workplane for a selected object or tool. View by WorkPlane: Sets the view normal to the workplane (workplane is against the screen). Position: The point that represents the UCS origin. See 3D Coordinate Systems. XVector: The point that defines the direction of the X-axis in the UCS. Up Vector: The point that defines the direction of the Z-axis of the UCS.