The Humanities: those branches of knowledge that concern themselves with human beings and their culture or with analytic and critical methods of inquiry derived from an appreciation of human values and of the unique ability of the human spirit to express itself. The humanities include the study of all languages and literatures, the arts, history, religion, and philosophy.
The Social Sciences: any branch of academic study or science that deals with human behaviour in its social and cultural aspects. Usually included within the social sciences are cultural (or social) anthropology, sociology, psychology, political science, and economics.
The Sciences: any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. The physical sciences study the inorganic world and comprise the fields of astronomy, physics, chemistry, and the Earth sciences. The biological sciences such as biology and medicine study the organic world of life and its processes.
--from Encyclopedia Britannica, accessed on September 26, 2022