===== Usability =====
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]

**Usability** is degree to which a product or system can be used by specified users to achieve specified [[dido:public:ra:xapend:xapend.a_glossary:g:goal|goals]] with effectiveness, efficiency and satisfaction in a specified context of use. This characteristic is composed of the following sub-characteristics:

  * **[[dido:public:ra:xapend:xapend.a_glossary:a:appropriateness_recognizability]]** - Degree to which users can recognize whether a product or system is appropriate for their needs.
  * **[[dido:public:ra:xapend:xapend.a_glossary:l:learnability]]** - Degree to which a product or system can be used by specified users to achieve specified goals of learning to use the product or system with effectiveness, efficiency, freedom from risk and satisfaction in a specified context of use.
  * **[[dido:public:ra:xapend:xapend.a_glossary:o:operability]]** - Degree to which a product or system has attributes that make it easy to operate and control.
  * **[[dido:public:ra:xapend:xapend.a_glossary:u:uerror_protection]]** - Degree to which a system protects users against making errors.
  * **[[dido:public:ra:xapend:xapend.a_glossary:u:interface_aesthetics]]** - Degree to which a user [[dido:public:ra:xapend:xapend.a_glossary:i:interface|interface]] enables pleasing and satisfying interaction for the user.
  * **[[dido:public:ra:xapend:xapend.a_glossary:a:accessibility]]** - Degree to which a product or system can be used by people with the widest range of characteristics and capabilities to achieve a specified goal in a specified context of use.



Source: [[https://iso25000.com/index.php/en/iso-25000-standards/iso-25010/61-usability ]]

===== Effectiveness =====
[[dido:public:ra:xapend:xapend.a_glossary:u:usability | Return to Top]]

===== Efficiency =====
[[dido:public:ra:xapend:xapend.a_glossary:u:usability | Return to Top]]



===== Satisfaction =====
[[dido:public:ra:xapend:xapend.a_glossary:u:usability | Return to Top]]




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