Note
予定 refers to a single scheduled instance or arrangement. It implies a fixed or pre-determined plan, often involving time or dates.
Breakdown of yotei
beforehand
予
Now your ma owns this street, but beforehand, it was pretty amazing.
determine
定
You determine that it's better to crown a bolt of cloth than to put up with the current king.
Usages of yotei
ジョン さん は 予定 が ありました から、 パーティー に ません でした。

