The document discusses the basic concepts and principles of social science theories, focusing on Marxism and Symbolic Interactionism. Marxism emphasizes class struggle between the bourgeoisie and proletariat, advocating for social equality and addressing exploitation in capitalist societies. Symbolic Interactionism, founded by George Herbert Mead, analyzes how individuals interact and derive meaning from these interactions, highlighting the significance of social constructs like gender and relationships in shaping human behavior.