The abstract property of a human, of living in a specific area given by precise, and well defined, borders. (This may be part of, or include, citizenship, but not necessarily so, e.g. for people having several places of residence, for foreigners, or ones officially being accepted on long-term transient living terms)
the act of dwelling in a place
the position of physician who is receiving special training in a hospital (usually after completing an internship)