The document discusses language teaching methodology. It defines methodology as the study of practices, procedures, and principles of language teaching. Methodology involves syllabus design, teaching techniques, and evaluation. The document outlines different language teaching methods throughout history, including grammar translation, audiolingualism, cognitive code learning, humanistic approaches, and communicative language teaching. It emphasizes that the goal of methodology is no longer to find a single "right method" but rather focus on how to effectively teach based on principles and learner needs.