All; the whole; entirety—used to refer to everything or the whole amount.
宿題は全部終わったので、遊びに行ける。
I've finished all my homework, so I can go out to play.
この箱の中身は全部でいくつありますか？
How many items are there in total in this box?
説明を全部聞いてから決めます。
I'll decide after listening to the entire explanation.
彼の提案は全部正しいわけではない。
Not all of his proposals are correct.