| A | B |
| Retail sales – | sales of durable and nondurable goods bought by consumers. |
| Intermediaries – | businesses involved in selling the goods and services of producers or consumers and other businesses. |
| Channel members- | the businesses that take part in a channel of distribution. |
| Traditional retailers- | department stores, discount stores, specialty stores, supermarkets, and convenience stores developed over the past 100 years. |
| Non-store shopping | -mail order, vending machine, and Internet purchases |
| Retailer- | purchases goods from a wholesaler and resells them to the consumer or the final buyer of the goods. |
| E-commerce | -electronic commerce through the Internet . |
| Multi-channel retailer- | when a store sells products in stores, by mail, and online. |
| Bricks and mortar- | stores and warehouses. |
| Clicks-and-mortar- | businesses that also use the Internet. |
| A durable good or a hard good | is a good that does not quickly wear out, or more specifically, one that yields services or utility over time rather than being completely used up when used. |
| Nondurable goods or soft goods (consumables) | are the opposite of durable goods. They may be defined either as goods that are used up when used once, or that have a lifespan of less than 3 years. |