This is the 12290th most frequent Korean word.
단계를
"단계를" means "steps" or "stages."
Here, '단계를' is used to refer to 'phases' or 'stages' that the project has undergone in order to reach completion.
그 프로젝트는 여러 단계를 거쳐 완성되었습니다.
The project was completed after going through several phases.
In this sentence, '단계를' is used to describe physical 'steps' or 'levels' that the subject ascended to reach the performance area.
그는 무대에서 춤을 추기 위해 단계를 올라갔다.
He climbed the steps to the stage to dance.
'단계를' in this case signifies planned 'steps' or 'actions' that are part of the preparation for the trip.