# AAC vocabulary (v1)

Stable IRIs and the controlled vocabulary for the AAC open standard.

- [`v1.ttl`](v1.ttl) — the OWL ontology (board, cell, symbol, access methods, cascade levels, provenance, properties).
- [`v1.jsonld`](v1.jsonld) — the JSON-LD 1.1 context for AAC documents.
- [`v1.shapes.ttl`](v1.shapes.ttl) — SHACL shapes, including the motor-stability and never-billed couplings (SPEC §3, §9).
- [`LEXICON.md`](LEXICON.md) — the term glossary.

Namespace: `https://aac.transaction.science/vocab/v1#` (prefix `aac:`). Licensed CC-BY-4.0 with the rest of the specification text.