Definition of Activity

Definition Last Updated 17-Dec-2015 12:51

Activity is continuous change in one or more observables during a specified period of time, which, if the activity is current, is open-ended to the future and may be open-ended in the past; an entity engaged in activity has that activity as a behaviour is an performer.

An activity is recognised pattern of change, i.e. a mapping from particular initial states to particular outcomes, which may or may not be goals.


Activity is a defined term of Enterprise Architecture. Activity is a defined term of Business Analysis.

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