職場 and 部署: A Workplace Commute and an Organizational Department
Compare a forty-minute train journey and a lunchtime walk with next month's departmental work and cooperation among three departments. Distinguish place, organizational unit, and time.
Reaching a workplace and walking at work
職場 (しょくば) means a workplace. 「新しい職場まで電車で四十分かかる。」 — “It takes forty minutes by train to reach my new workplace.” Forty minutes is the train journey to the new workplace. It is not a work shift or the duration of a department change.
「職場では昼休みに同僚と散歩している。」 — “At work, I take a walk with a coworker during lunch.” The speaker walks with a coworker during lunch. Do not transfer the forty minutes from the separate commute example to this walk.
Next month's department and three departments' cooperation
部署 (ぶしょ) means a department or division. 「来月から別の部署で働くことになった。」 — “I will be working in another department starting next month.” Work in the other department starts 来月から, from next month. Do not turn that timing into an already completed change.
「三つの部署が協力して展示を準備した。」 — “Three departments worked together to prepare the exhibit.” The three collaborating units are departments. Their organizational identity does not establish three separate buildings.
A place of work and an organizational unit
職場 focuses on the place or environment of work, while 部署 focuses on an organizational unit. A department change alone does not establish a different building or commute route.
The journey's duration and the start of work next month belong to separate examples. Read place, organizational unit, and timing separately to keep travel distinct from a work transition.
Does working in another 部署 from next month mean a move to another building has already happened?
Show the answer and why
No. The sentence states next month's departmental work. It does not establish a completed current transition or a building move.

