Top of the AAT hierarchies
....Objects Facet
........Object Genres (Hierarchy Name)
|||............objects
............object genres (Guide Term)
|||................architecture (object genre)
................artifacts (object genre)
|||................images (object genre)
|||................material culture (genre)
................<object genres by cultural or intellectual valuation>
................<object genres by form>
................<object genres by function>
................<object genres by location, context or origin>
................<object genres by maker's career stage>
................<object genres by material>
................<object genres by physical property>
................<object genres by technique>
................<originals and derivative objects>
|||................pictures (two-dimensional representations)
|||................realia
................ware
........Built Environment (Hierarchy Name)
............Settlements and Landscapes
............Built Complexes and Districts
............Single Built Works (Hierarchy Name)
............Open Spaces and Site Elements