Price
How much a good/service costs
Quality
Quality means getting what a customer want, or perhaps better than expected
Convenience
Making life easier for customers
Choice
Giving customers options and increasing
the chance that the product will be suited to
the tastes/habits of one type of customer
Identifying customers
Finding out who the customers are: their age, gender, incomes, where they live and what they want
Understanding customers
learning why customers do what they do, making it easier to see how to make a product that better suits them