I don't have sufficient context to write an accurate overview. You've indicated this is a "Wikimedia category" but haven't provided details about what "BNF identifiers" are, what they're used for, or why this categorization matters. Without factual information about these elements, I cannot create an accurate explanation.
AI-generated from the Wikipedia summary — may contain errors.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).