| Term | Definition |
| pixel | (picture element) little squares that make up a digital image (squares of light) |
| megapixel | 1 million (1,000,000) pixels |
| white balance | adjusts for light source |
| International Standard Organization | (ISO) creates world-wide standards; sensitivity to light |
| optical zoom | actual magnification |
| digital zoom | zooms, crops, and enlarges, lose image quality |
| joint photo experts group | (JPEG) compressed file format, lossy image |
| tagged image file format | (TIFF) lossless image, high quality, large file format |
| RAW | (Canon version) very large file format, compressed but lossless |
| secure digital | (SD) memory card for Lumix |
| compact flash | (CF) largest memory card (used by older Canons, older models, any pro camera) |
| up button | exposure compensation |
| down button | review mode |
| left button | self-timer |
| right button | flash setting options |
| center button | menu/set |