Knob in the form of a lever used only for latch bolt locks.
Decorative plaque with an opening in the center allowing the doorknob to turn.
Part whose beveled end is activated by a doorknob; it catches automatically in a strike plate when the door is closed.
Thin plate fastened to the edge of the door with an opening through which the bolt passes.
Thin plate fastened to the door with openings for the lock’s rose and ring.
Part whose end is inserted into a strike plate to lock the door when activated by a key.
Device mounted on the door allowing it to lock by using a key.