Forward Notice, Prior Notice
Noun and する verb
よこく
大丈夫だよ、コウイチは予告なしにかいこしたりしないよ。
You'll be alright. Koichi won't fire you without prior notice.
三ヶ月家ちんをたいのうしてしまい、立ちのきを予告されました。
I left my rent unpaid for three months and then I was given an eviction notice.
殺人予告を告げる手紙が、Tofuguオフィスに届けられた。
A letter giving advance notice for a murder arrived at the Tofugu office.
If you announce something beforehand you will have advance notice. Advance notice is always nice to give.
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.