交代

1. Origins, structure, and basic meaning

• Structure: 交代 is read as こうたい and is a noun and する verb for changing shifts or having another person take over a role.
• Basic usage: Switching drivers appears in 妹と運転を交代する, while rotating at set intervals appears in 二時間ごとに交代する.

2. Common pitfalls and similar expressions

• Change of person or role
  • It suits another person taking over a duty such as driving or guarding rather than two objects being exchanged.
• Difference from 交換
  • 交換 is exchanging objects or information, while 交代 is a change in the person or role on duty.