Frame

Depth. The depth of the frame members as seen from an overhead view.

Width. The width of the frame members as seen from an overhead view.

Offset. The offset of the door frame from the wall face.

Sash

Depth. The depth of sash members (sidelite/highlite frame) as seen from an overhead view.

Width. The width of sash members as seen from an overhead view.

Offset. The offset of the sash from the front of the door frame, i.e. how far back it sits in the door frame.

Mullion

Vertical Separation. If a lite has two or more panels running across it, this adds vertical dividers between the panels.

Horizontal Separation. If a lite has two or more stacked panels, this adds horizontal dividers between them.  

Depth. The front-to-back thickness of the mullion as seen from an overhead view.

Width. The width (left-to-right distance) of the mullion as seen from an overhead view.

Transom

Depth. The front-to-back thickness of the transom member as seen from an overhead view. The transom is the member between the door and the sidelite or highlite frame.

Width. The width of the transom as seen from an overhead view.