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States are defined as a sequence of settings and values which distinguishes one time-space slice of a system from another slice. Every state-full system goes through a series of state changes.   Example states include the initial state, the final state, and potentially many error states. Most of the states are domain specific.

States are associated with things in the system. An event triggers a potential state transition which may then lead to an action taken by the system.

Ronald LeRoi Burback