Arrival or receipt of goods: when merchandise is delivered to a store or warehouse.
新しいスマホが入荷したと連絡が来た。
I received a notice that the new smartphones have arrived.
入荷が遅れたため、出荷日を変更しました。
Because the goods' arrival was delayed, we changed the shipping date.
人気商品は入荷してもすぐ売り切れることが多い。
Popular items often sell out quickly even after they arrive.