noun, suffix
general affairs department; operations department
Refers to a department handling general or operational affairs in a company or organization. Can also be used as a suffix to form department names.
彼は業務部に配属された。
He was assigned to the general affairs department.
当社の営業業務部は新規プロジェクトを担当しています。
Our company's sales operations department is in charge of new projects.