What is an Invoice? Importance, usage and elements.

An invoice is an essential document issued by a vendor to a purchaser, marking an official plea for payment following a transaction that includes goods or services. This pivotal document outlines the buyer's financial responsibilities to the vendor for acquiring certain goods or services. Typically, it enumerates items like the quantity of goods sold, their price per unit, descriptions of services provided, the aggregate amount due, payment stipulations, and the contact information of both the vendor and the purchaser.