MODELIZE converts instance-specific entities to layout-
specific entities so that you can edit and enhance them in
the drawing layout without having to return to the Drawing
Layout Mode to alter the original part file. 

ENTITY   - lets you select entities that you want to
           change from instance-specific to layout-
           specific geometry.

INSTANCE - lets you choose a drawing instance that you
           want to change from instance-specific to 
           layout-specific geometry.

LAYOUT   - lets you modelize an entire layout from 
           instance-specific to layout-specific geometry.
