Difference between to tighten and to organize in Korean
조이다·정리하다

조이다to tighten
To tighten means to make something less loose and more secure. In Korean, 조이다 is used when you turn, pull, or fasten something like a cap, lace, belt, or screw. You can use it for many everyday actions at home, at school, or while traveling.

정리하다to organize
"To organize" means to put things in order and make them neat or easy to find. In Korean, 정리하다 is used when you clean up a space, sort your things, or arrange your thoughts. You can use it for a room, a desk, notes, or even a schedule.
The difference
정리하다 means to arrange things neatly or put them in order. 조이다 means to pull or turn something so it is not loose.