| A | B |
| Saturation | Demand for the product is levelling off, even starting to decline |
| Launch | The day when you start selling the product |
| Maturity | It is becoming more difficult to find new customers, but sales are still strong |
| Extension | A way of giving your product a longer life |
| Development | You have only got as far as researching your prouct |
| Growth | You are regularly gaining new customers |
| Decline | people are losing interest in your product |
| STEEPLE | A model that looks at many types of external factors that can influence a business and its product |
| Mix | The 4 P's |
| SWOT | A model to match internal aspects of the business against external factors. |