System - a regularly interacting or interdependent group of items forming a unified whole; but more than just a collection of parts
Most systems consist of 3 things:
Thinking of the Health System one must take into account several complex and independent parts that make up the whole including:
The Triple Aim in practice ... The system would provide coordinated care for individuals in the population, with access to up-to-date knowledge and evidence on effective care. The costs of doing so should be transparent, especially the costs over time for the individual and for the population.
A holistic approach to understanding a system's component parts and the interrelatedness of these parts to better understand how a system works and evolves over time.
You must understand where and how often patients actually encounter the health care system to ensure that the system is truly patient centered and designed to address the Triple Aim.