Usability User experience design

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usability extent product can used specified users achieve specified goals effectiveness, efficiency , satisfaction in specified context of use.


usability attached tools used humans , extended both digital , non-digital devices. thus, subset of user experience not wholly contained. section of usability intersects user experience design related humans ability use system or application. usability essential positive user experience not alone guarantee it.


accessibility

accessibility of system describes ease of reach, use , understanding. in terms of user experience design, can related overall comprehensibility of information , features. helps shorten learning curve associated system. accessibility in many contexts can related ease of use people disabilities , comes under usability.








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