確定

1. Origins, structure, and basic meaning

• Structure: 確定 is read かくてい and means a schedule, figure, or similar detail becoming settled.
• Basic usage: It is used for notifying people after a schedule is finalized or saying a participant count is not yet final.

2. Common pitfalls and similar expressions

• Compared with 確認
  • 確定 focuses on settling a detail, while 確認(かくにん) focuses on checking that it is correct. Checking an already-set schedule and finalizing the schedule are different stages.