They all have the meaning of correction or making something go in the right way. The difference is: 수정 - 수(修): cultivate, better, polish, trim, or improve 수양(修養) = self-discipline 교정 - 교(矯): correct, rectify, straighten, or tighten the error, distortion, or mishavarior 교도소(矯導所) = jail 조정 - 조(調): adjust or make something harmonious, even, or soft 조화(調和) = harmony In addition, the three words have..