LETTERBOXING
a box attached to an outside wall, or a slot in the door of a building, into which mail is delivered
a format for presenting widescreen films on a standard television screen, in which the image is displayed in approximately its original proportions across the middle of the screen, leaving horizontal black bands above and below
record (a widescreen film) on to video in letterbox format
a format for presenting widescreen films on a standard television screen, in which the image is displayed in approximately its original proportions across the middle of the screen, leaving horizontal black bands above and below
record (a widescreen film) on to video in letterbox format