The document outlines principles of the oral-based and audio-lingual language teaching approaches. It discusses techniques like repetition, drilling, role plays, and modeling by the teacher. It also covers the role of the teacher as a guide who avoids correcting errors and encourages independent practice, as well as techniques like chain drills and question-answer practice. Finally, it mentions the audio-lingual method and Caleb Gattegno's Silent Way approach, which emphasize learning through exploration and developing learner autonomy.