A '''glyph''' is any character in a [[writing]] system.
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A '''glyph''' is any character in a [[writing]] system. A particular type of glyph is a '''grapheme''', which is the smallest unit in a writing system capable of changing the meaning, such as a letter or [[punctuation]] mark.<ref>[http://grammar.about.com/od/fh/g/graphemeterm.htm Definition of grapheme]</ref>