The 62nd character of the braille script
Invented by Louis Braille, braille cells were arranged in numerical order and assigned to letters of the French alphabet. Most braille alphabets follow this assignment for the 26 letters of the basic Latin alphabet, or for the equivalents of those letters in a non-Latin script.
The first ten braille letters are ⠁⠃⠉⠙⠑⠋⠛⠓⠊⠚, usually assigned to the Latin letters a–j. The next ten repeat that pattern with the addition of a dot at the lower left, the third ten with two dots on the bottom, and the fourth with a dot on the bottom right. The fifth decade is like the first, but shifted downward. Many languages which use braille letters beyond the basic 26 for simple letters in their script follow an approximation of the English values for the additional letters.
- (English Braille) The letter marker.
- (Unified English Braille) The Grade-1 (uncontracted) braille marker.
- (English Braille) A prefix marking various letter sequences:
- (Czech Braille) The marker for ALL CAPS
- (Persian Braille) A prefix for mathematical symbols
- (Chinese Two-Cell Braille) Marks foreign script
- (IPA Braille) Marks national orthography (once for one letter, doubled for a passage, until ended with ⟨⠰⠆⟩.)
- (English Braille) Used to indicate that a Braille character stands for its literal value, and not as a digit or word.
- As a sequence marker, it cannot occur at the beginning of a word.
- (Unified English Braille) Used to indicate that a Braille character does not stand a sequence ("contraction"); for example, ⠰⠳ clarifies that the ⠳ is an arrow icon rather than the sequence ou.
- (Bharati braille) anusvara
- (Tamil braille) ṉa [and maybe Malayalam?]
- (Cantonese Braille) The rime ong
- (Vietnamese Braille) tone ◌̀
- (Korean Braille) Initial ㅊ (ch)