Another important point is that the objects that are part of...

Another important point is that the objects that are part of a system must all work together to directly or indirectly fulfill a common aim. The most amazing and obvious example of this is the human body. Every organ in the body has a particular function: providing and allowing nourishment, protecting against viruses, dealing with wounds, cleansing blood, etc. But in the end all these activities are meant to do only one thing and that is to preserve life.

Of course, this means that it is necessary that every part of the system perform its…