The Physical and Mental Activities hierarchy contains terms for activities ranging from single actions to complex sets of physical and mental pursuits. Mental activities are those performed entirely or primarily with the brain (e.g., "meditation," "studying"). Physical activities are those performed with other parts of the body or the body as a whole (e.g., "ballooning," "dancing (activity)"). Relation to other hierarchies: Terms for processes performed physically on or with materials or objects (e.g., "carving") are in the Processes and Techniques hierarchy. Terms for organizational, administrative, or intellectual activities conducted to achieve specific purposes (e.g., "analysis") are in the Functions hierarchy. Terms denoting occasions (e.g., "coronations," "races") appear in the Events hierarchy.
