According to Chester Barnard's early systems model, the principal elements in an organization are willingness to serve, common purpose, and communication.

Chester Barnard

An American business executive and scholar, known for his contributions to management theory, particularly the concept of the informal organization.

Systems Model

is a representation of a complex system or process, outlining its components, relationships, and dynamics.

Willingness to Serve

An individual's readiness or predisposition to contribute their time or skills for the benefit of a community or organization without expecting financial gain.