Product
Products are the goods and services that your business provides for sale to your target market. When developing a product you should consider quality, design, features, packaging, customer service and any subsequent after-sales service.
Place
Place is in regards to distribution, location and methods of getting the product to the customer. This includes the location of your business, shop front, distributors, logistics and the potential use of the internet to sell products directly to consumers.
Price
Price concerns the amount of money that customers must pay in order to purchase your products. There are a number of considerations in relation to price including price setting, discounting, credit and cash purchases as well as credit collection.
Promotion
Promotion refers to the act of communicating the benefits and value of your product to consumers. It then involves persuading general consumers to become customers of your business using methods such as advertising, direct marketing, personal selling and sales.

A need is something you have to have, something you can't do without. A good example is food. If you don't eat, you won't survive for long. Many people have gone days without eating, but they eventually ate a lot of food. You might not need a whole lot of food, but you do need to eat.
A want is something you would like to have. It is not absolutely necessary, but it would be a good thing to have. A good example is music. Now, some people might argue that music is a need because they think they can't do without it. But you don't need music to survive. You do need to