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| Classic tween | A type of tween for creating motion in a document where changes are defined in the content using keyframes; tinted blue in the Timeline and an arrow appears between the keyframes. |
| Frame | An element that contains the content for an animation and represents a particular instant in time; each frame can contain different images or different states of the same image. |
| Frame-by-frame animation | An animation in which the content for each individual frame is created manually. |
| Keyframe | A frame that contains a new symbol instance or a new graphic object; in Timeline, has a white dot when empty and a black dot when it has content. |
| Layer | An element used to organize the content (images, animations, and other objects) of a Flash document. |
| Layer folder | A container in the Timeline in which to place layers. |
| Motion preset | A prebuilt tween animation that is applied to an object selected on Stage and Flash created the necessary elements for the animation. |
| Motion tween | An animation applied to instances of symbols or text blocks where an object changes its position, rotates, scales in size, changes in color, or fades in or out. |
| Object-based animation | An animation that can be modified as one entity just like any other object; called a motion tween in Flash. |
| Property keyframe | A frame where the properties of the target object in a tween layer are changed; appears as a black diamond in the Timeline. |
| Scene | A section of an animation that has its own Timeline; used to break up a long or complex document into smaller, more manageable sections. |
| Shape tween | An animation that takes one shape and transforms it into another shape; displayed in the timeline with a black arrow and light green color for the frames. |
| Static frame | A frame that is not part of a motion tween. |
| Target object | The one symbol instance that a tween span can contain. |
| Tween | An animation in which you create the beginning content and the ending content, and Flash created the content for the in-between frames, varying the content evenly in each frame to achieve the animation. |
| Tween layer | A frame that is part of a motion tween. |
| Tween span | The frames that make up a motion tween; tinted blue in the Timeline. |
| Tweened frame | A frame that is part of a motion tween. |
