Question

what is a dock in photoshop ?​

Answer 1

Answer:

A dock is a collection of panels displayed together, generally in a vertical orientation.

Answer 2

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A dock is a collection of panels or panel groups displayed together, generally in a vertical orientation. You dock and undock panels by moving them into and out of a dock. To dock a panel, drag it by its tab into the dock, at the top, bottom, or in between other panels.