I don't have sufficient context provided to write an accurate overview. The context given only states "Wikimedia category" without information about what "Category:Wikipedia template categories" specifically contains, why it exists, or why it matters to readers. I cannot create an overview without inventing facts, which you've asked me not to do.
AI-generated from the Wikipedia summary — may contain errors.
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).