Glossary: Pro Glossary
![Glossary: Pro Glossary](/api/v2/epubs/9780470618165/files/figs/UAA01.png)
- additive color
Describes the way light waves combine to create color. This is the way humans see things, and it's how most color adjustment happens in Photoshop. This system is called additive because it begins with black (no light). A light source adds wavelengths that have a specific color. Equal amounts of pure red, green, and blue light added together create white. See also subtractive color.
- Adobe Camera Raw
Photoshop's RAW file converter. See also RAW.
- artifact
An unwanted visual distortion introduced by the digital process.
- aspect ratio
The relationship of the height of an image to its width. For example, 4 × 5 is the same aspect ratio as 8 × 10.
- banding
Occurs when intermediate tones are lost during the digital process. Because these tones are missing, color graduations show as bands rather than gentle tonal grades.
- blending mode
Determines how pixels blend with previously existing pixels. Blending modes can be used with some tools, such as the Brush tool, to affect pixel blending for each stroke, or entire layers can be blended with underlying layers by changing the blending mode on the Layers panel.
- Bridge
Adobe Bridge is the file browser that comes with Photoshop. It's named Bridge because it acts as a file browser for all of Adobe's design products.
- burning
The process of locally darkening specific regions of an image without affecting the rest of the image. See ...
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