5. All-Powerful Layers

Layers might be the most useful and powerful feature in Photoshop’s extensive list of awesome features. Layers are like sheets of transparent plastic stacked on top of each other, and because layers are transparent (except where you’ve placed image elements or text), many layers can combine visually to create one seamless image.

You can send elements behind or in front of other elements and still change your mind later. You can hide parts of an image without harming the original, or retouch elements on a separate layer from the original, making those elements easy to delete or modify later. You can hide individual layers so they don’t appear in the final piece, yet they are still in the document so you have them if necessary. ...

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