Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. positional attributes
6. [positional attributes by portion of a whole]

Anotations

Scope note:

Use to describe something situated at the part of an object that is opposite to its front or to its most important or useful surface. To refer to these parts themselves, use "backs (portions)" from the Components hierarchy.