Tactile Signs : Signs that have raised letters or markings to be read and interpreted by tracing with fingers over the surfaces. Braille is an example of a tactile language using dots that is primarily aimed at visually impaired people
Norsk design- og arkitektursenter The Norwegian Centre for Design and Architecture, Inclusive Design - a people centered strategy for innovation (A practical introduction to Inclusive Design for Businesses & Designers - how to get started!), Inclusive Design Glossary A-Z, Oslo, Norway 2010. http://www.inclusivedesign.no/practical-tools/incl usive-design-glossary-article146-127.html, (Ergo - Brit) {549}