Educational theory refers to the body of knowledge, research, and practice that informs how we teach, learn, and understand education. There are several synonyms that capture the essence of this field of study, including pedagogy, didactics, curriculum development, instructional design, and learning theory. Pedagogy deals with the methods and strategies of teaching and learning, while didactics explores the principles and rules of instruction. Curriculum development concerns the planning and design of educational programs, and instructional design involves the creation of effective learning materials and activities. Learning theory investigates the cognitive and behavioral processes of learning and memory. All these synonyms are interconnected and provide a comprehensive understanding of educational theory.