delimiter
sequence of one or more characters used to specify the boundary between separate, independent regions in plain text or other data streams; one of various means to specify boundaries in a data stream
newline
special character in computing signifying the end of a line of text
underscore
Typographic symbol (_) (underline)
word divider
glyph that separates written words
terminal punctuation
marks that identify the end of some text fragment or sentence
start codon
first codon of a messenger RNA transcript translated by a ribosome
thousands separator
delimiter for digit grouping
radix character
symbol used to separate the integer part of a number from its fractional part