Language learning refers to the acquisition and development of language skills, including listening, speaking, reading, and writing. It involves both conscious effort and subconscious processes that enable individuals to communicate effectively using verbal symbols.
The scientific study of language structure, including its sounds (phonetics), meaning (semantics), grammar (syntax), and history (historical linguistics).
Bilingualism: The ability to speak two languages fluently.
Language acquisition device (LAD): A theoretical concept proposed by Noam Chomsky suggesting that humans have an innate capacity for acquiring language.