The document provides information about the Hindu caste system. It explains that the caste system divided Hindu society into four main castes - Brahmins, Kshatriyas, Vaishyas, and Sudras. Brahmins were priests and teachers at the top of the hierarchy, while Sudras were servants at the bottom. People were born into their caste and stayed within it their whole life. The system also included Untouchables who fell outside the four castes and faced severe social discrimination. The caste system structured Hindu social order for over 2000 years according to the religious texts.