They arrived at 3:30, on the button.
Her landing was right on the button.
Fred O'Connor's description of the Thursday encounters were right on the button.
Click on the button at the bottom left of the layer palette so that a new layer palette so that a new layer is created.
Also, if a button displays a dotted rectangle like this:, pressing Enter has the same effect as clicking on the button.
There is a flat little red light on the button side of the fob.