Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by function]
8. religious texts

Anotations

Scope note:

Numerous texts dealing with the esoteric practices of some Indian sects. In Hindu tradition, Tantras cover theology, yoga, construction of temples and images, religious practices, spells, rituals, and symbols. Buddhist Tantras cover philosophy, symbols, guidance for complex rituals, and application of sacred powers for mundane purposes.