con_01_ontology

Audience: viewers who finished get-started ( or equivalent ) and want shared vocabulary without repeating the install loop.
Outcome: define each core ontology noun in one sentence; place base as graph boundary ( including nesting ); distinguish attribute_body from optional `@` metadata; name cartographic_map as a chosen cut, not a mandatory dump.
Runtime: 10 – 12 min.
Demo: `reqlan-tutorials-demo` at get-started end state — `.reqlan/` present; `reqs/product.rq`, `reqs/auth.rq`, `src/login.ts`; caret starts on `welcome_flow` in `product.rq`.
Related: idea ideaset file base base_detail reference attribute attribute_body cartographic_map referenced_files configuration base_nesting multi_base_environment

Interactive page: con_01_ontology