Simple gestures with optional extensions issue a wide array of commands, navigation, and editing features. The following are basic gestures:
tap: Generally done in a view that contains clusters or lists of items, to reveal information contained in an item. Similar to an open function, that changes the context of the view of a selected item. A tap can also change an object's state, such as selecting an object or using a checkbox.
back: Can be thought of as the opposite of a tap, where the item compresses down to its summary in the respective containing context. Typically, it reverses a view transition, as in going from a child view to a parent view.
scroll: Flicking and quick dragging is used when scrolling through lists and other views.
More advanced gestures include pan, zoom, drag & drop, switch applications, switch views, search, filter lists, and launch applications.
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