The five stages of mastery. 1) {mang du thos pa} extensive hearing. 2) {don la mkhas pa} mastery over meaning 3) {yi gi la mkhas pa} mastery over diction 4) {nges pa'i tshig la mkhas pa} mastery over definite words 5) {sngon dang phyi ma'i mtha' dgongs pa la mkhas pa} mastery over interpretation of the previous and latter words / meaning