Glossary

ACTION—A series of steps performed with regularity, saved as a shortcut in Photoshop.

ADJUSTMENT LAYER—A layer devoid of image content, but housing effects that alter the appearance of the content of other layers in the “pile.”

APERTURE—The opening behind a lens that allows light to pass through it and reach the film or sensor.

APP—Short for application: a program that can be run on a computer or smartphone; word-processing packages and photo-editing suites are both types of applications.

BRIGHTNESS—The relative lightness or darkness of an image.

CLIPPING MASK—Effectively a digital paperclip that ensures effects within a particular layer are applicable only to the layer to which the clipping mask is directly attached.

COMPOSITE—An image ...

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