This is the 12969th most frequent Korean word.
돌리거나
"돌리거나" means "to turn or rotate, or to switch or change."
In this sentence, '돌리거나' is used to indicate rotating or turning an object, in this case, the listener's arms.
나는 팔을 돌리거나 머리를 움직인다.
I rotate my arms or move my head.
Here, '돌리거나' emphasizes the action of turning as part of the options to open something, illustrating choice.
문을 돌리거나 밀어서 열 수 있습니다.
You can open the door by turning or pushing it.
In this instance, '돌리거나' metaphorically implies redirecting or shifting focus, showing the flexibility in meaning of the term.