If you removed any one of these components, this system could no longer function. A system's parts must be arranged in a specific way for the system to carry out its purpose. Systems change in response to feedback. The word feedback plays a central role in systems thinking. Feedback is information that returns to its original transmitter such that it influences that transmitter's subsequent actions.
Systems maintain their stability by making adjustments based on feedback.
If you get too hot, your body produces sweat, which cools you back down. For example, suppose a fire breaks out in your town. This is an event . If you respond to it simply by putting the fire out, you're reacting. If you respond by putting out the fire and studying where fires tend to break out in your town, you'd be paying attention to patterns .