Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design guidelines for tactile symbols
and letters
5 Guidelines to consider age-related
changes
6 Other factors to consider
Annex A (informative) - Examples of tactile
symbols and their meanings
Annex B (informative) - Legibility data of
tactile symbols and letters for young
people, older people and blind people
Bibliography