Definition of system

• a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going"
• instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"
• a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender"