| Bit Depth | Color Depth |
| Quantization | Pixel |
| Resolution | |
| The number of colors that can be represented in an image or video. | The number of bits used to represent each pixel in an image or video. |
| The smallest unit of image, representing a single point of color. | The process of mapping continuous values to discrete values, often used in determining bit depth. |
| The number of pixels or dots per inch in an image, influencing the need for higher bit depths. | |