| A | B |
| sales transaction | the process of recording a sale and presenting the customer with proof of payment |
| Universal Product Code (UPC) | bar code used for electronic entry |
| Universal Vendor Marketing (UVM) | product code that appears as a series of numbers across the top of a price tag |
| till | the cash drawer of a cash register |
| opening cash fund | the coins and currency designated for the register for a given day's business |
| cash sale | a transaction in which the customer pays for the purchase with cash or a check |
| debit card | an ATM card used to make a purchase at a store |
| floor limit | the maximum amount a salesperson may allow a customer to charge without getting special authorization |
| layaway | merchandise removed from stock and kept in a separate storage area until the customer pays for it |
| on-approval sale | customer permitted to take merchandise home for further consideration |
| cash on delivery sale (COD) | a transaction that occurs when a customer pays for merchandise at the time of delivery |
| return | merchandise brought back for a cash refund or credit |
| exchange | when something is sold in the marketplace; merchandise brought back to be replaced by other merchandise |
| allowance | a partial return of the sale price for merchandise that the customer has kept |
| sales tax | a fee placed on the sale of goods and services |
| parcel post | a type of standard surface package delivery offered by the US Postal Service |
| purchase order | a legal contract between the buyer and the supplier |
| extension | the result of multiplying the number of units by the cost per unit |
| invoice | customer bill included with delivered merchandise when filling a PO-based order |