Lump-sum or bulk purchase; buying several items or services together at once (often to get a discount).
家具を一括購入したら配送料が無料になった。
When I bought the furniture in one bulk purchase, the shipping fee was waived.
会社でソフトウェアのライセンスを一括購入してコストを削減した。
The company reduced costs by purchasing software licenses in bulk.
友人たちと一括購入して、まとめて割引を受けた。
We made a group purchase and received a bulk discount.