based on an earlier version of the Wolfram Language.
The single function Manipulate gives immediate access to a huge range of powerful interactive capabilities. For any expression with symbolic parameters, Manipulate automatically creates an interface for manipulating the parameters. Manipulate supports not only mouse and keyboard manipulation, but also gamepads and other devices.
Manipulate — interactively manipulate any expression, graphic, or other object
Animate — animate any graphic or expression
ListAnimate — animate a list of graphics or expressions
Control — an interactive control with type automatically chosen
Locator — make one or more 2D variables be controlled by locators inside a graphic
Trigger — set up a "trigger" that starts a variable changing with time
ControllerManipulate — manipulate only with an external controller (e.g. gamepad)