Do
one of the following:
You can select all the nontransparent areas on a layer, or, if a layer mask exists, all the unmasked areas. Selecting these areas is useful when you want to select text or image content that is surrounded by or contains transparent areas, or to create a selection that excludes masked areas on a layer.
If you want to move all the contents of a layer, use the Move tool without loading a transparency mask.
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