The division of labor — splitting tasks among people or departments, often involving specialization to improve efficiency.
工場では分業によって生産効率が高められる。
In factories, production efficiency can be increased by division of labor.
ソフト開発では設計、実装、テストに分業することが多い。
In software development, work is often divided into design, implementation, and testing.
分業の結果、各自の専門性が高まった。
As a result of division of labor, each person's expertise increased.