In ArcGIS, a collection of feature classes stored together that share the same spatial reference; that is, they share a coordinate system, and their features fall within a common geographic area. Feature classes with different geometry types may be stored in a feature dataset.
1. A column in a table that stores the values for a single attribute.
2. The place in a database record, or in a GUI, where data can be entered.
3. A synonym for surface.