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You have several options when clicking the three vertical bars dots on a selected layer.
Edit this layer: If you need to change one particular layer on the pallet.
Edit all: To change all of the same layer type on the pallet.
Duplicate: If you want several layers like the one you have chosen.
Inverted Approach: Inverting the box approach for the selected layer. Read more about Inverted Approach
Remove this layer: You can choose to remove layers if you don’t need that particular one after all.
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If you choose to edit a layer, you get to customize how each box should be placed and in what order they should come in.
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