main force, main body of troops / backbone, core, key figure / (baseball) center field

地域: region / 値域: range of a function

(archaic) running around / (archaic) (by extension, from running around for someone else) looking after someone or something, taking care of someone or something

(archaic) to run around / (archaic) (by extension, from running around for someone else) to look after someone or something, to take care of someone or something

concession (territory)

(of a person) average build; average height and weight

Alternative form of 荒地

isthmus (narrow strip of land)

Echizen (a city in Fukui Prefecture, Japan) / Echizen Province, an old province of Japan

Etchū Province, an old province of Japan