OUTPUT BOUNDARY

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Charles François (2004). OUTPUT BOUNDARY. International Encyclopedia of Systems and Cybernetics, 2(2): 2449.

Collection	International Encyclopedia of Systems and Cybernetics
Year	2004
Vol. (num.)	2(2)
ID	◀ 2449 ▶
Object type	Methodology or model

Any system function which relates some system variable to environmental variables.

This definition equates any boundary with a specific class of functions which relates the system with its environment. While boundaries are indeed functional (as well as structural) one wonders if, for example, internal organs in living systems as, let us say, the digestive tract, should be considered as parts of the boundary and, if so, where to place the limits of the system.