Didactics is defined as the art or science of and operating theories for teaching. The definition from the Readers Digest Great Encyclopaedic Dictionary states: Meant to instruct; (of persons) too much inclined to instruct, tending to lay down the law. Teaching is dependent on situational and institutional conditions. In this connection, teaching refers to the various types of instruction as the specific form of teaching, which appears in school institution.

Three approaches to the concept of didactics as a theory of planned teaching in schools (instructing) include: the education-theoretical approach, the instruction-analytical approach and the learning-theoretical approach. Didactics is the type of direct instruction that most of us had during our educational careers. Now fortunately, things are changing for the better. More students get the benefit of constructivist learning, of creating their own knowledge, of learning to become real thinkers, and not just dispensers of fact.