Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. [technology and related concepts]
5. technology (general associated concept)
6. information technology
7. digital file formats

Anotations

Scope note:

An open file format standard for electronic document exchange via the Internet. Developed by Adobe Systems to encode the visual representation of a document independent of the type of software used to write or read it.