| Keyword | Definition |
|---|---|
| bit | individual binary digit (0 or 1) |
| colour depth | the number of bits used to represent any of the colours in an image |
| height | the number of pixels found in one column up or down a bitmap image |
| pixel | an individual picture element made up of a single coloured dot |
| representation size | a measure of how many bits are needed to represent an image (calculated by width x height x colour depth) |
| resolution | the number of pixels in a bitmap image (calculated by width x height) |
| width | the number of pixels found in one row across a bitmap image |
