The horizontal member of a door intended to receive the lock case.
Horizontal member of a door located where the locking mechanism would be installed.
The horizontal section of the sash where the cam lock is attached.
The meeting rail member that the sash locks are attached to, (the top rail of the lower prime sash), sometimes referred to as "operating meeting rail" or "sash head".
A metal railing designed to support rope locks in a way that allows them to be safely operated. It carries modestly out of balance loads from the rigging system held by rope locks.