予定

1. Origins, structure, and basic meaning

• Structure: Written 予定 and read よてい, it denotes an arrangement or schedule set in advance for a future action or event.
• Basic usage: It covers a personal plan to see a movie and a departure schedule delayed by rain.

2. Common pitfalls and similar expressions

• Plan rather than guaranteed outcome
  • It indicates what is arranged, but circumstances can still change whether or when it happens.