変更

1. Origins, structure, and basic meaning

• Structure: 変更 is read as へんこう and is a noun for changing a place, detail, plan, or other state; it also combines with する as a verb.
• Basic usage: Changing a venue to a gym appears in 会場を体育館に変更する, while requesting a change to reservation details appears in 予約内容の変更を申し出る.

2. Common pitfalls and similar expressions

• Distinction from 交換
  • 変更 alters content or a plan, whereas 交換 focuses on replacing or swapping one item for another.