This document discusses anxiety in second language acquisition. It defines different types of anxiety, including trait anxiety, state anxiety, and language anxiety. Language anxiety is a specific type of situation anxiety associated with attempts to learn and communicate in a second language. Anxiety can affect the input, processing, and output stages of language learning. While anxiety may have some facilitating effects at low levels, high anxiety generally has a debilitating impact on language performance and learning. The document also discusses factors that influence language anxiety and implications for language teaching, such as promoting low-anxiety classroom environments.