The document discusses various approaches and methods in language teaching, highlighting distinctions between 'approach', 'method', and 'technique'. It explores different language teaching theories including structural, functional, and interactional views, as well as methods like audiolingualism, total physical response, community language learning, and suggestopedia, each with unique principles regarding learner and teacher roles. The decline of certain methods is also examined, stressing the shift towards cognitive understanding and the importance of learner-centered approaches.