Activity

Activity may refer to:

* Action (philosophy), in general * Human activity: human behavior, in sociology behavior may refer to all basic human actions, economics may study human economic activities and along with cybernetics and psychology may study their modulation * Recreation, or activities of leisure * The Aristotelian concept of energeia, Latinized as ''actus'' * Activity (UML), a major task in Unified Modeling Language * ''Activity'', the rate of catalytic activity, such as enzyme activity (enzyme assay), in physical chemistry and enzymology * Thermodynamic activity, the effective concentration of a solute for the purposes of mass action * Activity (project management) * Activity, the number of radioactive decays per second * Activity (software engineering) * Activity (soil mechanics) * , an aircraft carrier of the Royal Navy * "Activity", a song by Way Out West from ''Intensify'' *Cultural activities, activities referred to culture. Provided by Wikipedia