Task
Errand, Things To Do
noun
If there's a task occurrence, then there's something you have to do, a.k.a. a task or errand.
用事 generally refers to tasks that you personally need to take care of. Often that means errands like buying groceries or paying bills. It could also mean a doctor's appointment, meeting with a friend, or work tasks like attending a meeting and finishing an assignment. It's anything on your list of things to do!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
その日、大切な用事があります。
On that day, I have important errands.
あっ、田中先生。ドン・キホーテに一体何の用事ですか？
Oh, Tanaka-sensei. What business brings you to Don Quijote?
すみません。用事を思い出したので、お先に失礼します。
Excuse me. I'm sorry to leave early, but I just remembered there's something I have to do.