Communism:A political and economic system in which all property and wealth is communally-owned, with a classless society and equal distribution of resources.
Marxism: A political and economic theory developed by Karl Marx that analyzes the relationship between labor and capital, advocating for a classless society achieved through revolutionary socialism.
Welfare State: A system in which the state plays a key role in the protection and promotion of the economic and social well-being of its citizens, providing a range of social services such as healthcare, education, and social security.