To crop an image is to change the size and/or dimensions to cut out certain areas.
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Blowout refers to when a photographic image is overexposed and has completely lost the detail of the highlights.
Black and white are reproductions in one single color, as opposed to multi-tonal reproductions.
Aspect ratio refers to the proportional ratio of width to the height of an image or display that is usually presented in this format: 1:1
Addressability is the number of spots per inch. DPI is way to measure addressability.