This package contains information concerning the mechanisms used to represent spatial information in a dataset. The {@linkplain org.opengis.metadata.spatial.SpatialRepresentation spatial representation} entity is optional and can be specified as {@linkplain org.opengis.metadata.spatial.GridSpatialRepresentation grid spatial representation} and {@linkplain org.opengis.metadata.spatial.VectorSpatialRepresentation vector spatial representation}. Each of the specified entities contains mandatory and optional metadata elements. When further description is necessary, {@linkplain org.opengis.metadata.spatial.VectorSpatialRepresentation vector spatial representation} may be specified as {@linkplain org.opengis.metadata.spatial.Georectified georectified}. and/or {@linkplain org.opengis.metadata.spatial.Georeferenceable georeferenceable} entity.