- actions
Preset scripts that automate repetitive tasks. With just a single mouse click, you can create special effects without having a clue as to how they are done.
- adjustment layer
A nondestructive layer that enables you to adjust the tone or color in an image without altering the content of the layers beneath it.
- alias
The name for the jagged edges (jaggies) that are seen when an image doesn't contain enough information to make a smooth transition on angled or rounded edges. It's also called stair-stepping because the edge can look like a series of steps.
- alpha channel
An extra channel in which you can save a selection.
- antialiasing
The method of reducing jagged edges in an image or text by slightly blurring the edges of shapes and text to make them appear smooth.
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