system.

system (collection of organized things; whole composed of relationships among its members)

system (set of devices and tools as a whole)

system (set of body organs having a particular function)

system (comprehensive and logically organized set of propositions or philosophical beliefs)

system (method or way of organizing or planning)

system (elites or government of a state)

system (set of equations involving the same variables, which are to be solved simultaneously)

system (set of hardware and software operating in a computer)

formation (layer of rock of common origin)

system (planetary system; a set of planets orbiting a star or star system)

system (set of staves linked by a brace that indicate instruments or sounds that are to be played simultaneously)