What approach do experts recommend for which skills differ by federal state?

For which skills differ by federal state, a combination of skill classification, trend signals, and concrete application implementation provides the most robust approach. Decision criterion: content must be relevant for Germany, source-based, and directly usable in profile language. Specifically: structure skill statements by data basis, role relevance, and CV utility; make important terms, synonyms, or translations visible for profiles. (Sources: Destatis Labour Market, BA Statistics Navigation)