The document discusses the concept of social stratification, including definitions, dimensions, theories, and comparisons. It defines social stratification as the division of society into hierarchical groups linked by relationships of superiority and subordination. The key dimensions are wealth, power, and prestige. Theories discussed include functionalist theory, which views stratification as necessary for society to function properly by rewarding important positions, and Marxist conflict theory, which views stratification as determined by economic class relations and inherently opposed interests between the bourgeoisie and proletariat. The document also discusses the differences between social classes and castes.