Shift
Shift is similar to the Offset filter. You can use it to pan images or frames.
CenterSets a new center point for the layer. You can use the Set Position button to set the center.
InvertShifts the image by the same amount in the opposite direction. For example, if the center is at X=10 and Y=10, Invert will shift the center to X=-10 and Y=-10.
Undefined AreasDetermines what appears in the empty space created by shifting the layer.