注文品

1. Origins, structure, and basic meaning

• Structure: 注文品(ちゅうもんひん) means an item someone has ordered or a product supplied in response to an order.
• Basic usage: It describes checking a box's contents after the ordered item arrived.
  • 注文品が届いたので、箱の中身を確認した。

2. Common pitfalls and similar expressions

• An ordered item and custom manufacture
  • 注文品 identifies an item that was ordered. 特注品(とくちゅうひん) more explicitly indicates a product ordered with special specifications.