Almost by definition, education has purposes, goals, and objectives, and a central task of teaching is to know what these are and to transform the most general goals into specific objectives and tasks...Almost by definition, education has purposes, goals, and objectives, and a central task of teaching is to know what these are and to transform the most general goals into specific objectives and tasks for students. A lot of the clarification and specification of goals needs to happen before a cycle of instruction actually begins, but the benefits of planning happen throughout all phases of teaching.