Point of sale

The point of sale (POS), or point of purchase (POP), is the time and place at which a retail transaction is completed. At the point of sale, the merchant calculates the amount owed by the customer, indicates that amount, may prepare an invoice for the customer, and indicates the options for the customer to make payment. It is also the point at which a customer makes a payment to the merchant in exchange for goods or after provision of a service.

After receiving payment, the merchant may issue a receipt, as proof of transaction, which is usually printed but can also be dispensed with or sent electronically.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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Payments, explained — digital wallets, gateways and merchant tech, plus handy everyday calculators.

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