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	Class	Description
	CirclePath2D	A CirclePath2D defines a circular path on which a PathFollower can be placed, making it simple to tween objects along a circle or oval (make an oval by altering the width/height/scaleX/scaleY properties).
	Direction	Constants for defining the direction in which to travel on a MotionPath (like CLOCKWISE, COUNTER_CLOCKWISE, SHORTEST, etc.).
	LinePath2D	A LinePath2D defines a path (using as many Points as you want) on which a PathFollower can be placed and animated.
	MotionPath	A MotionPath defines a path along which a PathFollower can travel, making it relatively simple to do things like tween an object in a circular path.
	PathFollower	A PathFollower is used to associate a particular target object (like a MovieClip, Point, Sprite, etc.) with a MotionPath and it offers a tweenable progress property that manages positioning the target on the path accordingly.
	RectanglePath2D	A RectanglePath2D defines a rectangular path on which a PathFollower can be placed, making it simple to tween objects along a rectangle's perimeter.