Politics
Politics (from , meaning "affairs of the cities") is the process of making decisions that apply to members of a group.
Political system
A political system is a system of politics and government. It is usually compared to the legal system, economic system, cultural system, and other social systems. However, this is a very simplified view of a much more complex system of categories involving the questions of who should have authority and what the government's influence on its people and economy should be.