If you bought your iPad from an Apple Store, chances are that the person helping you took the time to introduce you to the iPad and the multi touch gestures. Chances are that you forgot some of the details or you didn’t get the introduction at all…
Touch gestures are different ways (and shortcuts) to interact with the iPad touch screen that allow you to scroll, switch between apps, close running apps, etc.
Some gestures are available only from within applications. Others can be used