| Keyword | Definition |
|---|---|
| bit | an individual binary digit of 0 or 1 |
| bitmap | a type of digital image that is represented by a grid of coloured pixels |
| colour depth | the number of bits used to represent individual colours in a digital image. |
| digital image | a picture that has been created or converted so that it can be represented by binary 0s and 1s, so that it can be stored or displayed on a computer |
| pixel | an individual picture element which makes up a single coloured dot in a grid to form part of a digital bitmap image |
| resolution | the total number of pixels in a bitmap image which is calculated by the width x height |
| vector | a type of digital image that is represented by shapes of different sizes and colours |