This document discusses listening as an important skill in language learning. It defines listening as an interactive process using prior knowledge and linguistic knowledge to understand messages. The acquisition of listening requires sufficient language exposure where meaning can be inferred. Various types of listening tasks and performances are described, as well as the listening process involving top-down and bottom-up approaches. The teaching of listening is outlined as involving pre, during and post listening activities. Nation's four strands of balancing input, output, language focus and fluency in teaching are also summarized. The document concludes that listening is a complex skill that requires practice and evaluation to develop consciously.