Zoom: Zoom in or out.
Pan X: Pan from left to right
Pan Y: Pan from top to bottom
Rotate: Rotate image from right to left.
Crop X1: Crop from the left hand side
Crop X2: Crop from the right hand side
Crop Y1: Crop from the top
Crop Y2: Crop from the bottom
Each of these options can also be changed for one of the 10 overlays through the dropdown menu.