This document discusses various types of movement in language, including movement of words, phrases, and affixes. It provides examples of movement from different levels of language structure, such as wh-movement at the word level, prepositional phrase movement at the phrase level, and affix hopping at the morphological level. The document also explains how movement is triggered by the need to check functional features and maintain constituency. Traces are used to indicate the origin of elements that have undergone movement. In summary, this document analyzes movement as a fundamental linguistic phenomenon that occurs at multiple levels of language and is driven by adjacency and feature-checking requirements.