In a door, an opening with a series of slats, blades, or piercings which permit the passage of air.

A device that prevents a door from being opened except with a key; for example, see box locks or case

The finish of wood, metal, marble, etc., which surrounds the top and sides of a doorway.

The glass area in a door.

1. A separately movable division of a folding or sliding door. 2. One of a pair of doors.

The knob or handle that releases the latch on a door, permitting it to be opened.

The vertical member on each side of a door.

A frame for holding a wood door in place while it is off its hinges and being planed.