These visual representations are not designed to teach people how to make touch gestures. They're abstract enough to be used in documentation but still reference physical actions.
GestureWork's open source gesture framework allows developers to customize and extend the “gesture object,” creating support for new gestures.
An icon language to describe natural user interface gestures that uses a a simplistic graphic design language to represent the actions by a user.
A set of drawings of hands performing common touchscreen gestures like tap, slide, point, drag, pinch, and spread from Kicker Studio.
Animated gesture tutorials and static hand gesture guides from FingerWorks -the company Apple acquired several years before releasing the iPhone.
Representational images of the multi-touch gestures available in the BumpTop product.
Trackpad gestures that work in certain applications in Apple's OSX operating system.
The Multi-Touch area allows you to scroll in any direction with one finger, swipe through web pages and photos with two, and click and double-click anywhere.
Presents a complete user-defined gesture set, implications for surface technology, and a taxonomy of surface gestures.
The Touch Gestures are the basic actions you use to interact with Windows or an application using touch.
Provides a detailed reference for the touch gestures supported in Windows Phone 7, usage, and behavior.
An interactive tutorial that will help you practice and become familiar with each gesture.