+A **First Language** is the initial language a person learns, typically from birth or early childhood. This [Mother Tongue](/wiki/mother_tongue) shapes one's core cognitive processes and forms the foundation for all subsequent [Language Acquisition](/wiki/language_acquisition).
+## See also
+- [Second Language](/wiki/second_language)
+- [Bilingualism](/wiki/bilingualism)
+- [Linguistics](/wiki/linguistics)
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