This is the 680th most frequent Ukrainian word.
повернутися
"To return" or "to come back."
Here, 'повернутися' is used in the sense of returning to a familiar place after leaving it.
Я повинен повернутися додому до десятої вечора.
I must return home by ten in the evening.
In this sentence, 'повернувся' denotes coming back after being elsewhere, emphasizing the action of returning as finished.
Він повернувся з подорожі дуже втомленим.
He returned from the trip very tired.
Here, 'повертаються' is used metaphorically to describe a motion toward something, showing a cyclical or natural return to a position or direction.