| Common name | Description |
|---|---|
| Routine use | A description of the most common ways a data item is used appropriately. Conversely, this metadata item may also warn users about common ways the data are misused. |
| Key words | Any terms or phrases that relate to, or are cross-referenced with, an item (for example, related items for search functions). |
| Quality metrics | Measures intended to provide information regarding the relative quality of a piece or set of data. Examples of quality metrics might include completeness, continuity, contiguity, currency, reliability, accuracy, and coherence of a data set (see chapter 3). |
