Systems Theory Terms

System

set of orderly elements that are interrelated to make a whole

Boundaries

borders or margins that separate one entity from another

Subsystem

secondary/subordinate system within a larger system

Homeostasis

tendency for system to maintain stable state of balance

Role

expected culturally established social behavior and conduct for a person in any relationship

Relationship

reciprocal, dynamic interpersonal connection characterized by patterns of emotional exchange, communication, and behavioral interaction

Input

energy, information, or communication flow received from other systems

Output

response of a system, after receiving and processing input, that affects other systems in the environment

Feedback

special form of input whereby a system receives information about its own performance (negative or positive)

Interface

point where two systems come into contact with each other or communicate; interaction between an individual and the environment