I don't have enough context to write an accurate overview. The phrase "Category:User fa-2" appears to be a Wikimedia category label, but without additional information about what "fa-2" specifically designates (such as whether it relates to language proficiency, user status, or another classification system), I cannot provide an accurate explanation that meets your requirement of being based only on provided context.
AI-generated from the Wikipedia summary — may contain errors.
Category:User fa-N: فارسی زبان مادری این کاربر است Category:User fa-4: تسلط این کاربر به زبان فارسی در حد زبان مادری است Category:User fa-3: دانش فارسی این کاربر درسطح پیشرفته است Category:User fa-2: دانش فارسی این کاربر درسطح متوسط است Category:User fa-1: دانش فارسی این کاربر درسطح مبتدی است
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).