| Attribute | Type | Defined By |
|---|
| item_number | INTEGER | structural_frame_item |
| item_name | label (STRING) | structural_frame_item |
| item_description | text (STRING) | structural_frame_item |
| section_classification | label (STRING) | section_profile |
| cardinal_point | cardinal_point_ref (INTEGER) | section_profile |
| mirrored | LOGICAL | section_profile |
| overall_depth | positive_length_measure_with_unit (ENTITY) | section_profile_rectangle |
| overall_width | positive_length_measure_with_unit (ENTITY) | section_profile_rectangle |
| external_fillet_radius | positive_length_measure_with_unit (ENTITY) | section_profile_rectangle |
| wall_thickness | positive_length_measure_with_unit (ENTITY) | section_profile_rectangle_hollow |
| internal_fillet_radius | positive_length_measure_with_unit (ENTITY) | section_profile_rectangle_hollow |