A money order is a payment method that allows an individual to send or pay money without using cash. It involves purchasing a pre-paid document from a financial institution, such as a bank or post office, which represents a fixed amount of money. The person requesting the money order fills out a form with their information and the recipient's information, including the amount they want to send. Once issued, the money order can be cashed by the recipient at the financial institution that issued it, without any further identification or endorsement required from the payee. Money orders are often used as a secure way of sending money, especially when making online transactions or sending funds through the mail.