BlendMode A class that provides constant values for visual blend mode effects.
 Button A simple button composed of an image and, optionally, text.
 DisplayObject The DisplayObject class is the base class for all objects that are rendered on the screen.
 DisplayObjectContainer A DisplayObjectContainer represents a collection of display objects.
 Image An Image is a quad with a texture mapped onto it.
 MovieClip A MovieClip is a simple way to display an animation depicted by a list of textures.
 Quad A Quad represents a rectangle with a uniform color or a color gradient.
 QuadBatch Optimizes rendering of a number of quads with an identical state.
 Sprite A Sprite is the most lightweight, non-abstract container class.
 Stage A Stage represents the root of the display tree.