A class of behaviours that comprise a set of mutual or reciprocal influences among a set of ComponentsA generic term for the uniquely identifiable elements, build... within a particular SystemA set of Components that are formally related together by a ..., SubsystemA self-contained and identifiable part of a larger System, o..., or other context to accomplish a specific purpose or purposes. These mutual influences may take the form of dialogue, transaction, or closed Control LoopAn arrangement of control Components (for example, sensors, ... feedback signal.