school of commerce; faculty of commerce
Refers to the commerce department or faculty within a university.
彼は大学の商学部でマーケティングを専攻している。
He is majoring in marketing in the university's faculty of commerce.
経済学部 is the faculty of economics, which focuses more on economic theory and policy, while 商学部 emphasizes business, commerce, and management.
経営学部 is the faculty of business administration, often overlapping with 商学部 but with a stronger focus on management and organizational studies.
Compound of 商 (commerce) + 学部 (faculty/department).