[The namespace contains entities of CGM elements. Classes Class Description ApplicationStructureDescriptorElements AttributeElements ControlElements DelimiterElements ExternalElements GraphicalPrimitiveElements MetaFileDescriptorElements PictureDescriptorElements SegmentControlElements Enumerations Enumeration Description ApplicationStructureDescriptorElement AttributeElement ControlElement DelimiterElement Delimiter Elements ExternalElement GraphicalPrimitiveElement MetaFileDescriptorElement PictureDescriptorElement SegmentControlElement]