If we say didactic it is the routines of the students it is used in everday living in the classroom they need to recite or memorize something that the teacher thougth and next is Authentic it is about real life experience if we give an example to students they need a real life situation or common to understand the lesson so they participate as well so the lesson is not boring and the last one is Transformative that the student is engaging with the lesson they solve the problem and sharing of ideas to others and make their own problem to produce knowledge.