What do you want?
Write a clear, concise summary of what you want your site to achieve.
What is the goal of the Web site? Is it to actually sell your products? Or to supply information about your products (or services), and to lead potential customers to you? Or both? Or more?
What do you want your customers and prospects to do as a result of a visit to your site? Make a purchase? Contact you for more information? Tell their friends?