+Second Language Acquisition (SLA) is the study of how individuals learn a [Language Learning](/wiki/language_learning) after their native tongue has been established. This field of [Linguistics](/wiki/linguistics) investigates the mental and social processes involved, exploring factors that influence success and proficiency.
+## See also
+- [Bilingualism](/wiki/bilingualism)
+- [Language Education](/wiki/language_education)
+- [Cognitive Science](/wiki/cognitive_science)