scope of work; area of responsibility; range of duties
Refers to the professional domain or set of tasks one is responsible for, often used in job descriptions, organizational charts, or discussions of role boundaries.
His area of responsibility covers all accounting matters.
Cooperation beyond one's usual scope of work is necessary.
Less common than sense 1; used when referring to the physical or organizational location where one works, often in contexts like 職域接種 (workplace vaccination).
Workplace vaccinations have begun.