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Software-Ergonomie – Wikipedia
»Im Bereich der Software-Ergonomie existieren formale Richtlinien für die Gestaltung von Bildschirmarbeitsplätzen, für die Darstellung von Informationen am Monitor sowie deren Manipulation durch Eingabegeräte. Diese Richtlinien sind in der Arbeitsstättenverordnung (ArbStättV) sowie in der Norm EN ISO 9241 festgehalten und sollten daher bei der Erstellung von Anwendungssoftware berücksichtigt werden.«
Barrierefreies Arbeiten am Computer – Wikipedia
Universal design
Universal design (often inclusive design) refers to broad-spectrum ideas meant to produce buildings, products and environments that are inherently accessible to older people, people without disabilities, and people with disabilities.
Progressive Enhancement
… a strategy for web design that emphasizes accessibility, semantic markup, and external stylesheet and scripting technologies.
Photographic Print Sizes (Wikipedia)
Standard photographic print sizes are used in photographic printing. Cut sheets of paper meant for printing photographs are commonly sold in these sizes.
Paper Sizes (Wikipedia)
There have been many standard sizes of paper at different times and in different countries, but today there are two widespread systems in use: the international standard (A4 and its siblings) and the North American sizes.