The lower level has a central doorway flanked by windows.

This may be a group of three windows or a central doorway with a window or niche on each side.

The main (west) facade is five bays with a central doorway.

The central doorway is stepped and the front wall has been buttressed.

Lintel 2 is set above the central doorway of Structure 33.

Lintel 25 was originally set above the central doorway of Structure 23.

The most common type is the high, wide central doorway, closed by hinged double doors.

At the front of the chapel is a central doorway between two sash windows.

Two steps lead to a central doorway in the west front.

A third struck waist-high on a low wall in front of the central doorway.