| set of interrelated elements considered in a defined context as a whole and separated from their environment|
Note 1 to entry: A system is generally defined with the view of achieving a given objective, for example by performing a definite function.
Note 2 to entry: Elements of a system may be natural or man-made material objects, as well as modes of thinking and the results thereof (for example forms of organisation, mathematical methods, programming languages).
Note 3 to entry: The system is considered to be separated from the environment and the other external systems by an imaginary surface, through which pass the links between them and the considered system.
Note 4 to entry: The term "system" should be qualified when it is not clear from the context to what it refers, for example control system, calorimetric system, system of units, transmission system.
Note 5 to entry: This entry was numbered 351-21-20 in IEC 60050-351:2006.