| A | B |
| Product Mix | All the types of products a company makes or sells |
| Consistency | The degree of closeness or relatedness between product lines in the product mix |
| Trading Down | Adding lower priced items to a product line |
| Width | The number of different product lines a business makes or sells |
| Alteration | Improve an established product with a new design, package, or uses |
| Product Line | A group of similar products, made or sold by one company |
| Positioning | Creating a certain image of a product or brand in the customer's mind |
| Depth | The number of items offered within each product line |
| Trading up | Adding higher priced items to a product line |
| Contraction | Eliminating an entire product line or reduce assortment within it |
| Expansion | Adding items to a product or an entire product line |
| Product item | A specific model, brand, or size of a product within a product line |