“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Arts and Humanities34Social Sciences34Geography. Anthropology. Recreation: Maps: Unlocalized maps (Asian studies only)1History (General) and history of Europe: History of Asia1Language and Literature: Languages and literature of Eastern Asia, Africa, Oceania1