What is Inventory ?
Inventory is (noun) 1. a list of all the things in a place such as a house The landlord checked the inventory when the tenants left. (NOTE: The plural in this meaning is inventories.) 2. US all the goods in a warehouse Our whole inventory was destroyed by fire. We are carrying a high inventory. (NOTE: The British term is stock.)
source: Easier English, Student Dictionary Upper Intermediate Level