a condition initiated by an indicator and describing the effect of the

indicator on subsequent braille signs 

a diacritical mark (such as an accent) normally used in combination with a letter 

the practice of closing indicators in the reverse order of opening 

designating any print or braille symbol, including the space, which is not a letter, modified letter, ligatured letter or contraction 

three or more symbols-sequences

initiates a mode which persists indefinitely until an

explicit terminator is encountered

any one of the seven braille characters having only right-hand dots

(@ ^ _ " . ; ,)orthebraillecharacter#

a single letter, digit, punctuation mark or other print sign

customarily used as an elementary unit of text 

any one of the 56 braille characters, including the space, which is not a prefix 

a contraction consisting of a word specially abbreviated in braille