Managing layers
These are the actions you can find at the buttons on the top of the layer window or by the layers.
Merge
Merge the current layer with the one right below it.
Remove
Remove the current selected layer
Add
Add a blank layer or duplicate the current layer.
Previous Frame
A shortcut to change to the previous frame without having to open the animation timeline
Next frame
A shortcut to change to the next frame without having to open the animation timeline
Visibility
Toggles the visibility of that layer. A hidden layer is also hidden when exporting.