#04 Consistency and standards 一貫性を持て、スタンダードに従え！ Users should not have to wonder whether different words, situations, or actions mean the same thing. Follow platform conventions. ちょっとしたデザイン、用語、状況の違いによっ…

#03 User control and freedom ユーザコントロールと自由 Users often choose system functions by mistake and will need a clearly marked "emergency exit" to leave the unwanted state without having to go through an extended dialogue. Support und…

#02 Match between system and the real world システムを現実の世界に調和させよう The system should speak the users' language, with words, phrases and concepts familiar to the user, rather than system-oriented terms. Follow real-world convent…

#01 Visibility of system status システムの状態を可視化しよう The system should always keep users informed about what is going on, through appropriate feedback within reasonable time. 適切なタイミングで適切なフィードバックを通じて、システム…