any number of entities (members) considered as a unit

a series of ordered groupings of people or things within a system

a system of linguistic units or elements used in a particular language

the system of law courts that administer justice and constitute the judicial branch of government

the system of production and distribution and consumption

a system formed by the interaction of a community of organisms with their physical environment

the people in a society considered as a system organized by a characteristic pattern of relationships

a series of ordered groupings of people or things within a system