<P> ISO defines usability as `` The extent to which a product can be used by specified users to achieve specified goals with effectiveness , efficiency , and satisfaction in a specified context of use . '' The word `` usability '' also refers to methods for improving ease - of - use during the design process . Usability consultant Jakob Nielsen and computer science professor Ben Shneiderman have written ( separately ) about a framework of system acceptability , where usability is a part of `` usefulness '' and is composed of : </P>
<P> ISO defines usability as `` The extent to which a product can be used by specified users to achieve specified goals with effectiveness , efficiency , and satisfaction in a specified context of use . '' The word `` usability '' also refers to methods for improving ease - of - use during the design process . Usability consultant Jakob Nielsen and computer science professor Ben Shneiderman have written ( separately ) about a framework of system acceptability , where usability is a part of `` usefulness '' and is composed of : </P>
what term is used to describe something that is useful and provide satisfaction
what term is used to describe something that is useful and provide satisfaction
usability
usability