A more thorough explanation:

A warehouse book is a type of book used by merchants to keep track of the quantities of goods that they have received, shipped, and currently have in stock. It is an important tool for managing inventory and ensuring that the business has enough stock to meet customer demand.

For example, let's say that a clothing store receives a shipment of 100 t-shirts from a supplier. The store manager would record this information in the warehouse book, along with the date of the shipment and the quantity received. If the store sells 50 of these t-shirts, the manager would update the book to reflect the new quantity in stock.

The warehouse book can also be used to track the movement of goods within the warehouse. For instance, if the clothing store has multiple locations, the book can be used to keep track of which location has which items in stock.

Overall, the warehouse book is an essential tool for any business that deals with inventory management. It helps merchants keep track of their stock levels, monitor the movement of goods, and ensure that they have enough inventory to meet customer demand.