agitate: Constant rocking motion of materials in liquids to ensure even coverage.

aperture: The opening in a lens that adjusts and controls the amount of light allowed to pass through to the lens. Usually described as an f/stop or f/number.

analogue: The visuals we are used to in a nondigital environment, which actually comes from a stream of continuously variable data in the form of light energy, with variation being represented by varying quantities of luminosity. An analog image is made up of some sort of marks on film or paper that collectively create the picture you see.1

archival: Having a quality of maximum permanence.

banding: Interruption of graduated shades caused by the loss of tonal data. Appears as a distinct line between ...

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