What is mean by face value and book value?

face value means value on the product or entering in which product. book value is account value of the product.

What is mean by face value and book value?
Face value is essentially the market value or street value of the item. The book value is the an accounting term that represents the purchase price of the item minus the depreciation expense. The depreciation expense is the value allowed by the tax/revenue services as an annual write-off.

healthy teeth