SAPscript provides the following text commands for using boxes or frames, lines, and shading in documents:
The BOX command is used to draw a box or a horizontal or vertical line.
The POSITION command is used to specify the starting point (the upper left corner) of a box or line.
The SIZE command is used to specify the width and height of a box.
Boxes, Lines, Shading: BOX, POSITION, SIZE
Pre-Setting BOX Position Arguments
Using the BOX, POSITION, and SIZE Commands in Texts and Forms