This is the 492nd most frequent Japanese word.
終了
"終了" means "end" or "completion."
Here, '終了' is used as a noun to signify the event of concluding or ending.
ゲームは終了しました。
The game has ended.
In this sentence, '終了' refers to the termination or conclusion of a process or sequence, in this case, a computer program.
プログラムの終了を確認してください。
Please confirm the termination of the program.
Here, '終了' is used as a concept to denote the planned expiration or conclusion of a contractual or formal agreement.