Glossary

Adjustment layer:

Layer that behaves like a layer, but is really a customized filter or lens through which you can view your image.

Anti-aliased:

Soft-edged rather than jagged edges.

Aspect ratio:

The ratio of an image's height to width.

Brightness (or Lightness):

Intensity value of an image, which is described in terms of any hue to black or to white.

Burning:

Adding light to specific areas in a photograph. In Photoshop, the Burn tool allows you to lighten portions of an image.

Chromatic aberration:

A digital image flaw caused by a processing error in the digital camera where one or more of the three color channels don't align properly. The result is a cyan, yellow, red, blue, or green edge. Also known as fringing.

Color cast:

Unnatural color ...

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