noun
each part; every part; all parts; various parts; every department
Used to refer to individual components of a whole, or to all sections/departments of an organization. The exact nuance depends on context: 'each part' when focusing on individual items, 'all parts' when emphasizing totality, and 'every department' in organizational contexts.
各部の責任者は会議に出席した。
The heads of each department attended the meeting.
この機械は各部が精密に作られている。
Every part of this machine is precisely made.