Concept:Language is a rule-governed system shared by a group for communication. Learning is most effective when it is tied to real-life situations.Explanation:Language is best learnt in contexts because contextual learning makes education experiential and learner-centered. When students use words and sentences in meaningful situations, they understand and remember them better. The teacher creates real or simulated contexts so that learners can relate new language to their own experiences. This approach builds deeper conceptual understanding and makes learning enjoyable and integrated. Learning in isolation or by rote does not develop practical communication skills.Answer:Option A: in contexts