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| Onion Skin | Feature that displays the oulines of an animated object so that the positions of the object in a series of frames can be viewed allat once. |
| Motion Path | A dotted pattern on the stage that indicates the direction of an object. |
| Property Key Frames | Keyframes that specify changes in color, position or rotation. |
| Motion Guide | A drawn path. |
| Frame-byFrame Animation | A way to animate were each frame has small adjustments made to an object. |
| Shape Tween | A change of an objects appearance from beginning to en. |
| Shape Hints | Indicators used to control the shape of a complex object as it changes appearance during an animation. |
| Movie Clip Symbol | An animation stored as a single, reusabel symbol in the Library panel. It has its own timeline, independent of the main timeline. |
| Keyframe | Change in action. |
| Transformation Point | The point used to orient an object as it is being animated. |
| Registration Point | Used to help determine the X and Y coordinates of an object on the stage. |
| Morphing | The animation process of changing one object into another, sometimes unrelated, object. |
| Instance | Editable copies of symbols that are placed on the stage. |