"US 7,657, 849 Apple 2011 Unlocking a device by performing gestures on an unlock image" The details of the patent mention a predetermined gesture. Moving from

"US 7,657, 849 Apple 2011 Unlocking a device by performing gestures on an unlock image" The details of the patent mention a predetermined gesture. Moving from left to right is a predetermined gesture. Is moving a ring from one area of the screen to another a predetermined gesture? If the final location of the ring is not consistent, could it be called a gesture? Is pushing a button a gesture? It's things like that that make patents so questionable.