[GREG1\]DRAW [Action Xc Yc] /BOX N
Specifies that coordinates Xc Yc are physical units relative to point
number N of the current BOX. The 9 most remarkable points of the box
(corners, middle of the sides, and box center) are numbered according to
a VT100 numeric keypad notation (see HELP GREG1\LABEL /CENTERING ).