Character sets & fonts

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character
an indivisible unit of information
c. set
a vague term
c. repertoire
the set of allowed characters (in a document, etc.)
c. encoding
a function from bit/byte sequences to characters
"charset"
a parameter in some Internet protocols, gives repertoire + encoding
glyph
an image representing one or more characters
font
a set of glyphs and a function from a sequence of characters (!) to a sequence of glyphs

Bert Bos

W3C