Different variants of System Thinking

In business:

• Corporate organization structure is a system.
• Corporate strategy is about choose a set of activities that build up a profitable and competitive business system.
• Sales machine is a sub-system inside a company.

In politics:

• The government  is a system itself.
• US's government is a well-designed system - while Soviet Union wasn't.

In software engineering:

• Architecture-Centric Development philosophy is a variant of system thinking.