| Box | Interface for specifying a box that describes a rectangular geographic location. |
| BoxData | Data interface for all geo-tagged extension points that represent a bounding box around a geographical area. |
| Point | Interface for specifying a point that describes some geographic location. |
| PointData | Data interface for all geo-tagged extension points. |
| GeoLat | Extension for a W3C geo:lat element. |
| GeoLong | Extension for a W3C geo:long element. |
| Namespaces | Geo namespaces for the various schemas available to geo-information. |