36. A computer system capable of providing a dictionary of multi-touch gestures, the computer system having a multi-touch interface, a graphical user interface, and a computer memory encoded with executable instructions causing the computer system to: identify a chord presented to the multi-touch interface by a user to begin a gesture, the identified chord comprising a combination of hand parts associated with the gesture but distinct from motion associated with the identified chord to complete the gesture, wherein the identified chord is presented during use of a non-dictionary application; detect an absence of motion associated with the identified chord to complete the gesture for a predetermined period of time after the identifying of the chord presented to begin the gesture; and in response to the detecting of the absence of motion for the predetermined period of time, display a dictionary entry for the identified chord, the displayed dictionary entry comprising a visual depiction of multiple motions associated with the identified chord and, for each of the multiple motions associated with the identified chord, a meaning of a gesture comprising the identified chord and the corresponding motion.
48. The computer system of claim 36 wherein the chord further comprises one or more modifier keys.