四分律刪繁補闕行事鈔 2.132

2.132

八堂界者，律云：多敞露。九庫界者，積藏諸車乘販賣物。十倉界者，儲積穀米處。

Eighth is the hall boundary (śālā-sīmā). The Vinaya states: It is mostly open and exposed. Ninth is the storehouse boundary (koṣṭha-sīmā): It accumulates and stores various carts, vehicles, and merchandise. Tenth is the granary boundary (koṣṭhāgāra-sīmā): It is a place where grains and rice are stored.