The document discusses various definitions and concepts related to education. It provides definitions of education from different scholars such as Pestalozzi, Gandhi, and Dewey. Education is defined as the harmonious development of innate powers in a child and the all-round drawing out of the best in a person. The document also outlines aims of education such as character building, knowledge acquisition, vocational training, and harmonious development. Principles of education discussed include it being a continuous, flexible, and social process aimed at modifying behavior.