Digraph

Digraph may refer to:

(typography) Digraph (orthography), a pair of characters used together to represent a single sound, such as "sh" in English
(Unicode) orthographic ligature, the joining of two letters as a single glyph, such as "æ"; considered a misnomer
Digraph (computing), a group of characters used in computer programming to symbolise one character
A directed graph, in graph theory
Digraph, component of a CIA cryptonym, a covert code name
As language codes in ISO 639-1
Diagraph, a combination of a protractor and a scale ruler

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