A delivery point for mail, a box, compartment or slot for this purpose.
A hidden container that holds a logbook and rubber stamp, found by following clues as a form of recreation.
A rectangular hole or slot.
A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.
To transfer a widescreen motion picture to home video formats while preserving the original aspect ratio, with the placing of black bars above and below the picture area.
To hunt for letterboxes (containers with logbook and rubber stamp) by following clues.
Transferred to home video formats while preserving the original aspect ratio, having black bars above and below the picture area.
A box or slot into which a courier or postal worker puts letters for a recipient to collect.
A box in which post can be left by a sender to be picked up by a courier or postman (postal worker).