| A | B |
| Persistence of Vision | The way our eyes retain images for a split second longer than they actually appear, making a series of quick flashes appear as one continuous picture. |
| Frame-by-Frame Animation | A series of many frames that appears to be in continuous motion. |
| Vector Animation | The movement of animations defined by formulas. |
| 3-D Graphics | The field of computer graphics concerned with generating and displaying three-dimensional objects in a two-dimensional space (e.g., the display screen). Whereas pixels in a 2-dimensional graphic have the properties of position, color, and brightness, a 3-D pixel adds a depth property that indicates where the point lies on an imaginary Z-axis |
| Rollovers | The look or action of a control with relation to mouse actions. The four common rollover states are Up, Over, Down, and Hit. |
| morphing | A technique in which one image is gradually turned into another, which is short for metamorphosing |
| stage | The part of the animation program window where the animator’s content is composed and manipulated. |
| frame | A single still image in a video animation. |
| keyframe | An intermediate frame in an animation sequence that blends so one frame appears to change into the next. |
| Timeline | The part of the animation program window that organizes and controls an animation’s content over time using layers and frames |
| Library | Store frequently used graphics, movie clips, and buttons |
| Playhead | The vertical red marker in the timeline that shows which frame is the current frame. |
| Scrub | Dragging the playhead across the timeline. |
| Tweening | An animation process that uses keyframes between two images |
| Compression | The process of reducing the space required to store data be efficiently encoding the content. |
| MP3 | A standard format for music files sent over the Internet that compresses music |
| WAV | The standard format for sound files on Windows PCs. |
| Executable | A program file that can run on your computer. |
| Plug-in | A hardware or software application that adds a specific feature to a computer |
| Quick Time | A cross-platform multimedia format that works on both Microsoft Windows and Apple Macintosh systems. |
| Bandwidth | The amount of data that can be transmitted over a network in a given amount of time. |
| Streaming | A procedure for transmitting media files so they can start playing as soon as a PC begins receiving them, rather than waiting for the complete files to download first. |
| Streaming Rate | The rate in frames per second at which the movie can be downloaded. |
| Playback Rate | The rate in frames per second at which the movie plays. |