To be in charge of, manage, or administer something; to preside over a department or function.
この部署は人事を司っている。
This department is in charge of human resources.
祭りの儀式を古来から神職が司ってきた。
Priests have traditionally presided over the festival rituals.
広報部が対外的な発表を司ることになった。
The public relations department will be responsible for external announcements.
To rule, govern, or control; to have authority over or direct the course of something.
古代の王は国の運命を司る存在と見なされた。
Ancient kings were regarded as those who governed the fate of the nation.
図書館は知識の保存を司る重要な施設だ。
Libraries are important institutions that oversee the preservation of knowledge.
彼の研究は都市計画の方向性を司る議論を生んだ。
His research sparked discussions that shaped the direction of urban planning.