(cinematography) An aspect ratio in which a motion picture is formatted to fit a specific type of screen (historically 1.33:1), as opposed to original aspect ratio.

(cinematography) The aspect ratio of the rectangular shape that the director intended his or her motion picture to be viewed in, as opposed to modified aspect ratio.

The display aspect ratio is the aspect ratio of a display device and so the proportional relationship between the physical width and the height of the display.

A (often abbreviated PAR) a mathematical ratio that describes how the width of a pixel in a digital image compared to the height of that pixel.