Education is the process of facilitating learning, or the acquisition of knowledge, skills, values, beliefs, and habits. Educational methods include storytelling, discussion, teaching, training, and directed research.
Natural science is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on empirical evidence from observation and experimentation.
Research is "creative and systematic work undertaken to increase the stock of knowledge, including knowledge of humans, culture and society, and the use of this stock of knowledge to devise new applications.
Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") includes the study of such topics as quantity, structure, space, and change. It has no generally accepted definition.
Language learning is broadly defined as developing the ability to communicate in the second / foreign language. It can be Language learning for specialists.
Social science is a category of academic disciplines, concerned with society and the relationships among individuals within a society. Social science as a whole has many branches.