The document discusses the social sciences and their various branches. It defines social sciences as fields that investigate human societies and the forces within them. Some key disciplines mentioned include history, political science, sociology, psychology, economics, geography, demography, anthropology and linguistics. It also discusses applied social sciences, which applies theories and findings from social sciences to address real-world problems. Examples provided include counseling, social work, communication studies, and using research to address issues like problems in slums.