A
- acquisition module interface
- active layer
- additive primaries
- adjustment layer
- ADM
- Adobe Color Engine
- Adobe Color Picker
- Adobe Photo Downloader
- Adobe RGB
- AGMLib
- airbrush
- album
- aliasing
- alpha channels
- ambient light
- animated GIF
- anti‑aliasing
- arithmetic coded JPEG
- artifact
- aspect ratio
- associated
- audio caption
- Auto Levels