Class struggle refers to the conflict between the different social classes of a society, usually between the ruling class and the working class in terms of economics, politics, and social status. There are several synonyms for this term but each of them only partially captures the full story of the class struggle. Some of the most common synonyms for class struggle include class conflict, class warfare, economic struggle, social warfare, and proletarian struggle. Other expressions that invoke similar themes are wealth inequality, income inequality, social inequality, the struggle for resources, and conflict between the rich and the poor. Regardless of the term used, the class struggle highlights the division between socio-economic groups and the inequality that exists in societies worldwide.