24-BIT COLOUR A description of systems which allocate 24 bits of data to each pixel in an image. Usually, the bits are allocated as 8 bits each for the three additive primary colours (red, green and blue). That arrangement provides over 16.7 million colour possibilities.

ALPHA CHANNEL In applications like Photoshop, alpha channels are used to create and store masks. Alpha channels are additional to the three channels of an RGB image or the four channels of a CMYK image.

AMBIENT LIGHT Normal background light, for example daylight, as opposed to artificial light cast by room lights or spotlights.

BEZIER Using the Bézier tool, smooth curves ...

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