An organization is a social unit of people that is structured and managed to meet a need or pursue a collective goal. Organizations have management structures that determine relationships between activities and members, and divide roles, responsibilities, and authority. Organizations interact with their external environment. The document then lists and describes 9 common types of organizations: large companies, public utilities, government agencies, franchise networks/chains, private hospitals/schools, not-for-profit businesses, small companies, cooperatives, and small associations/charities.