+Diglossia describes a community's use of two distinct language varieties – one for formal settings, the other for everyday life. These [Language Varieties](/wiki/language_varieties) typically diverge in prestige and function, with a "high" form for literature and a "low" for casual speech, often exemplified in [Arabic](/wiki/arabic) speaking regions.
+## See also
+- [Bilingualism](/wiki/bilingualism)
+- [Code-switching](/wiki/code-switching)
+- [Sociolinguistics](/wiki/sociolinguistics)
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