The GIS stores attribute information in a table linked to each feature in the coverage.
In this way, a point "knows" whether it is, for example, a borehole, a vertex in a river or part of the edge of a dam.
| attribute information | examples |
|---|---|
| type | perennial, non-perennial |
| name | Pienaars River |
| characteristics | channel slope, width |
| classification | stream order (scale-dependent) |
| linkage to external data | flow, habitat, quality |