Uniform Resource Identifier that identifies a feature

The definition (typing framework and properties) of a domain-specific application schema for a well-known class of geospatial features, in vector form (i.e., points, lines and polygons). For example: Transportation, Hydrographic, Electric Utility, etc.

The type of feature represented in a coverage. Coverage feature classes include arcs, nodes, label points, polygons, tics, annotation, links, boundaries, routes, and sections.

Catalogue containing definitions and descriptions of the feature types, feature attributes, and feature associations occurring in one or more sets of geographic data, together with any feature operations that may be applied.

Characteristic of a feature.

Abstraction of real world phenomena

A value applied to the origin of a coordinate system to change the y-coordinate readings.

A value applied to the origin of a coordinate system to change the x-coordinate readings.

2-dimensional topological primitive