Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [structural elements and components for structural elements]
8. structural elements
9. enclosing structural elements
10. [roofs and roof components]
11. roof components
12. roof frame components
13. horizontal roof frame components

Anotations

Scope note:

In a truss, horizontal struts above the tie beam or above a line joining the feet of the rafters, commonly between the joists at mid-span. In a truss, horizontal struts above the tie beam or above a line joining the feet of the rafters, commonly between the joists at mid-span.