## 3. Entities to cover (the "must-mention" list)
# Pull from: the top 3 ranking pages, Google "People also ask",
# Wikipedia/Wikidata for the head entity, and your own product knowledge.
- Core entity: <e.g. "topic cluster">  — define it in one sentence early
- Related entities: <pillar page, internal linking, semantic SEO, EEAT, ...>
- Named tools/standards/people a credible author would reference: