{@linkplain org.opengis.metadata.extent.Extent} information. The following is adapted from OpenGIS® Metadata (Topic 11) specification.

The datatype in this package is an aggregate of the metadata elements that describe the spatial and temporal extent of the referring entity. The {@linkplain org.opengis.metadata.extent.Extent extent} entity contains information about the {@linkplain org.opengis.metadata.extent.GeographicExtent geographic}, {@linkplain org.opengis.metadata.extent.TemporalExtent temporal} and the {@linkplain org.opengis.metadata.extent.VerticalExtent vertical} extent of the referring entity. The {@linkplain org.opengis.metadata.extent.GeographicExtent geographic extent} can be subclassed as {@linkplain org.opengis.metadata.extent.BoundingPolygon bounding polygon}, {@linkplain org.opengis.metadata.extent.GeographicBoundingBox geographic bounding box} and {@linkplain org.opengis.metadata.extent.GeographicDescription geographic description}.