問もん題だい領りょう域いきMeaningsNoun1. problem areaKanji used問question題topic領territory域regionComposed of問もん題だいquestion (e.g. on a test); problem; problem (e.g. societal, political); question; issue; subject (e.g. of research); case; matter; question (i.e. doubt); public discussion; …Noun領りょう域いきterritory; domain; field; area; sphere; realm; regionNoun