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Term System

A set of related and organized parts or elements which interact to achieve a goal. Systems can be abstract or real. An abstract or conceptual system is an organized set of definitions, names, symbols and other instruments of thought or communication. Examples of abstract systems include mathematics and musical notation.

A real system, however, is a material entity with organized components that interact in such a way that the group’s properties cannot be completely deduced from the properties of its parts (called emergent properties). Real systems can be open (receiving flows of energy, information or material from the environment), closed (only exchanging energy) or isolated (have no exchange), depending on whether or not they perform exchanges with the environment. Political systems, information systems, cells and the biosphere are examples of real systems.

Topic  Climate