About SAKAI MASAYUKI
About TERUI RENA
About TAGA MASAE
About INOUE KATSUO
About elderly person
About operation (processing)
About terminology
About speech intelligibility
About linguistics
About attribute
About design
About household electric appliance
About usability
About operation panel
About user interface
About degree
About Rhetorica
About Man-machine system
About Information processing in general
About 高齢者
About 用語
About 理解
About 評価
About 修辞
About 属性
About 分析