This document summarizes key points from a chapter about observing language learning and teaching in second language classrooms. It discusses natural acquisition contexts like using language at work versus instructional settings with a focus on language form. Communicative classrooms emphasize interaction and language use over isolated grammar points. Observation schemes are described that code various aspects of classroom interactions between teachers and students and among students. Studies examined how factors like feedback, questioning techniques, time spent learning, and sociocultural aspects can impact language acquisition.