[Expected Values] braille Visual or Textual [Description] braille content or alternative is available (e.g., eBraille or print braille). This can have extensions for the different types of braille (/ASCII, /unicode, /music, /math, /chem or /nemeth) as well as /grade1 and /grade2 (contracted) or other nomenclature: we are sure that the community will contribute more suggestions.) [Augmented Access Mode] 
Tactile
T e x t u a l
V i s u a l
A u d i t o r y
T a c t i l e