Contrary to popular opinion, among people who study systems theory, “complicated” and “complex” are distinct words with precise meanings. The engine inside a car is complicated. A complicated system is a causal system—meaning it is subject to cause and effect. Although it may have many parts, they will interact with one another in highly predictable ways. Problems with complicated systems have solutions. This means that, within reason, a complicated system can be fixed with a high degree of confidence. It can be controlled.
