Elements in Dataset CategorySave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedAug 18, 2026EngineeringE3D DesignE3D Design 3.1 Related LinksAttribute Rule Element (ATTRRL)Design Dataset Area Element (DDAREA)Design Data Element (DDATA)Design Dataset Element (DDSE)Valid Value Element (VVALUE)