We can more effectively care for patients, families and communities when we do understand. Indeed, if a system is to survive, it must save some of the outcome or product to maintain the system. Levels of Complexity Wren believes there are 9 levels of complexity for systems. These are described in the following table. The organizational chart Level 2 Clockwork Dynamic, moving, predictable, must be controlled externally Level 3 Cybernetic device such as thermostat Dynamic, predictable, capable of self-regulation within certain limits.
All systems have common elements.
The processes used by the system to convert raw materials or energy from the environment into products that are usable by either the system itself or the environment. Thinking, planning, decision-making, constructing, sorting, sharing information, meeting in groups, discussing, melting, shaping, hammering, etc. Software programs, documents, decisions, laws, rules, money, assistance, cars, clothing, bills, etc. Accreditation reports are an example as are patient satisfaction surveys, sales reports, and test results. Subsystem A system which is a part of a larger system.