要よう件けん定てい義ぎようけんていぎじ字FuriganaMeanings1nounrequirement definitionTechnical term used in software engineering and project management for the process of defining and documenting system or business requirements.プロジェクトの最さい初しょの段だん階かいで要よう件けん定てい義ぎを行おこなう。