1. Containment and grouping (5)
2. Units and measure (3)
3. Spatial model (6)
4. Building elements (21)
5. Building materials (1)
6. Actors (6)
7. Cost model (1)
8. Properties and PropertySets (22)
9. Geometry (43)
10. Relationships (5)
11. Other (2)

Containment and grouping (5)
- Containment [all]
- Containment : Referencing [1,2,3]
- Grouping [1,2]
- Grouping : Systems [2]
- Grouping : Zones [1,3]

Units and measure (3)
- Unit assignment [all]
- Units [imperial] [none]
- Units [metric] [all]

Spatial model (6)
- Building [all]
- Building storey [all]
- Project [all]
- Site [all]
- Space [all]
- Space boundary [1,3]

Building elements (21)
- Beam [1,3,5]
- Cabinet [1]
- Column [1,3,5]
- Counter or shelf [1]
- Electrical appliance [1,3]
- Electrical fixture [1]
- Floor slab [1,3,5]
- Flow controller [2]
- Flow equipment [2]
- Flow fitting [2]
- Flow segment [2]
- Flow terminal [2]
- Furniture [1]
- Opening element [1,3,5]
- Plumbing fixture [2]
- Proxy [product with geometry] [3,5]
- Roof slab [3,5]
- Simple door [1,3,5]
- Simple window [1,3,5]
- Stair [none]
- Wall [1,3,5]

Building materials (1)
- Layered structure (material layers) [1,3,5]

Actors (6)
- Actor role [all]
- Address [all]
- Organization [all]
- Owner history [all]
- Person [all]
- Space occupant [none]

Cost model (1)
- Cost elements [none]

Properties and PropertySets (22)
- Common beam properties [1,3]
- Common column properties [1,3]
- Common door lining properties [1,5]
- Common door panel (swinging) properties [1,5]
- Common door properties [1,3,5]
- Common slab properties [1,3]
- Common wall properties [1,3]
- Common window frame properties [1,5]
- Common window properties [1,3,5]
- Dynamic property assignment [all]
- Extension PropertySet system [1,2,3]
- HVAC properties [2]
- Hardware group [1]
- Manufacture information [none]
- PropertySet system [all]
- Simple property [all]
- Simple property with unit [none]
- Site address [1,2,3,4]
- Space occupancy [3]
- Space program properties [4]
- Space thermal properties [3]
- Space type [4]

Geometry (43)
- 2D boundary: arbitrary [1,3,5]
- 2D geometry [1,5]
- 2D placement [all]
- 3D placement [all]
- Absolute placement [all]
- Bounding box geometry [all]
- Brep geometry [3,5]
- Circle [1,3,5]
- Clipping half space [3,5]
- Composite curve [1,2,3,5]
- Constrained placement [1,2,3,5]
- Constrained placement [design intent] [none]
- Ellipse [1,3,5]
- Extruded solid: arbitrary [all]
- Extruded solid: arbitrary, clipped [3,5]
- Extruded solid: arbitrary, clipped, slanted [3,5]
- Extruded solid: arbitrary, multiple segments [3,5]
- Extruded solid: arbitrary, slanted [3,5]
- Extruded solid: circular [1,3,5]
- Extruded solid: circular, clipped [3,5]
- Extruded solid: circular, clipped, slanted [3,5]
- Extruded solid: circular, multiple segments [3,5]
- Extruded solid: circular, slanted [3,5]
- Extruded solid: curved [1,2,3,5]
- Extruded solid: curved, clipped [3,5]
- Extruded solid: curved, clipped, slanted [3,5]
- Extruded solid: curved, multiple segments [3,5]
- Extruded solid: curved, slanted [3,5]
- Extruded solid: rectangular [1,3,5]
- Extruded solid: rectangular, clipped [3,5]
- Extruded solid: rectangular, clipped, slanted [3,5]
- Extruded solid: rectangular, multiple segments [3,5]
- Extruded solid: rectangular, slanted [3,5]
- Geometric representation [all]
- Line [3,5]
- Polyline [all]
- Profile: arbitrary [all]
- Profile: circular [1,3,5]
- Profile: curved [1,2,3,5]
- Profile: rectangular [1,3,5]
- Relative placement [all]
- Revolved solid: rectangular [1,3,5]
- Revolved solid: rectangular, clipped [3,5]

Relationships (5)
- Classification assignment [none]
- Element to space boundary connection [1,3]
- Fills element [1,3,5]
- Logical wall to wall connection [1,5]
- Voids element [1,3,5]

Other (2)
- Classification [none]
- Design grid [none]