ISO 9241
International Organisation for Standardisation — ISO 9241: Ergonomics of Human-System Interaction
Overview
ISO 9241 is a multi -part international standard coveri ng the ergonomics of human -system interaction — addressing the design of hardware, software, and workplace environments to support effective, efficient, and satisfying use by people. The standard encompasses display and input device requirements, software usability principles, dialogue design, accessibility, and the ergonomics of physical workstations used with information and communication technology. ISO 9241 is widely referenced in the design of digital interfaces, office workstations, and ICT -based work systems — and its usability principles — effectiveness, efficiency, and satisfaction — have become foundational concepts in human factors and user experience design globally.