System

A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and is expressed in its functioning. Systems are the subjects of study of systems theory and other systems sciences.

For other uses, see System (disambiguation). For the set of rules that govern structure or behavior of people, see Social system. For the academic field, see Systems science. For the engineering, see Systems engineering.

Systems have several common properties and characteristics, including structure, function(s), behavior and interconnectivity.

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