A passage door set allows unresricted entry from either side of your door. Most commonly seen in closet doors and door to shared living quarters, such as a family room.

A passage door set allows entry from either side of your door and cannot be locked in anyway. Most commonly seen in closet doors.

Vertical plane of room entry and exit. AKA doorway.

Passage knob or lever sets do not include locks and refer to interior doors only. (Compare with Privacy knob and lever sets.)

This is a non-locking set with operable handles (typically used on doors that do not require security or privacy such as closets, laundry or utility rooms, pantry, mechanical rooms and so on). [Category: Lock Terminology, General

Passage knobs or levers are for doors that do not need locked, such as a closet or doors between rooms and family rooms or living rooms.