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Communicative language teaching (CLT), or the communicative approach (CA) , is an approach to language teaching that emphasizes interaction as both the means and the ultimate goal of study.
Learners in environments using communication to learn and practice the target language by interactions with one another and the instructor, the study of "authentic texts" (those written in the target language for purposes other than language learning), and the use of the language both in class and outside of class.
Learners converse about personal experiences with partners, and instructors teach topics outside of the realm of traditional grammar to promote language skills in all types of situations. That method also claims to encourage learners to incorporate their personal experiences into their language learning environment and to focus on the learning experience, in addition to the learning of the target language.
https://en.wikipedia.org/wiki/Communicative_language_teaching