noun
central role; key role
Refers to a pivotal or leading function in a group, project, or event. Often used with verbs like 果たす, 担う, or 演じる.
彼はプロジェクトで中心的役割を果たした。
He played a central role in the project.
この部署は会社の成長に中心
This department plays a key role in the company's growth.