| A | B |
| Aspect Ratio | (Height x Width); Proportions of graphics; resizing without distortion |
| Authoring Software | Programs used to create full, multimedia productions (such as simulations or tutorials) |
| AVI | Audio Video Interleaved; Windows format for saving video with sound |
| Bitmap | (.bmp); Windows format for storing simple graphics |
| CODEC | Program/device that Compresses and Decompresses digital video |
| Color Palette | Available color selections |
| Digital/Digitalization | Process of converting video or audio signals, normally in waveform, into 1's and 2's, so they can be processed by the computer |
| FPS | Frames Per Second; Number of frames displayed per second (giving digital video the illusion of motion) |
| Frame | A single picture in a computerized movie |
| GIF | Graphic Interchange Format; A graphics format used in web pages and some multimedia software |
| JPEG | Joint Photographic Experts Group; Graphics format ideal for realistic artwork and pictures |
| MIDI file | File containing musical data encoded according to Musical Instrument Digital Interface specifications |
| MPEG Video | Format for the compression of digitized videos and animations (developed by the Moving Pictures Expert Group) |
| MPEG-1 | "postage stamp" resolution; 352x240 |
| MPEG-2 | "broadcast quality" resolution with CD sound |
| MPEG-3 | High Definition Television quality |
| QuickTime | (.mov); A real-time video and multimedia format developed by Apple Computer |
| Dropped Frame | In digital video, when the computer can't keep pace with the displayed images, it drops frames in an attempt to catch up |
| Dithering | Blending colors |