The MILL_GEOM
Used to establish Part, Blank, Check geometry, or Part offset
The MILL_BND
Used to establish Part, Blank, Check, Trim, boundaries and floor plane geometry.
The MILL_AREA
Used to establish Part, Check, Cut Area, Walls, and Trim geometry
WORKPIECE
A default group object that is placeholder and initially contains no information. It is usually placed under the MCS Parent Group and is assigned Part, Blank, and or Check geometry.
MCS
Used to establish the MCS and RCS (Reference Coordinate System), clearance and lower limit planes and Fixture offset.
