4 Phases of Understanding
(aka 4 Stages of Learning)

Phase 1 Clueless (students exist here in varying degrees)

Phase 2 Getting There (student understands when teacher explains in class)

Phase 3 Competent (student understands & interacts independently with material )

Phase 4 Zen Master (student is one with the material & able to teach others and set them   on the path toward oneness)