PRODUCT DETAILS:

This is the detailed view of a product for customers. It provides the option to add it into a shopping cart, and then check-out if the shopping process is complete:

Remember we are just a visitor at this point. If we were an employee with sales privileges, we would have been served a different view:

In a nutshell, 'sales' privilege gives us the right to update the product record. We will get back to that in a minute. Let's now move on as a visitor and change the quantity to '2' for no particular reason, and click on 'add to cart' button to put two copies of this item in our shopping cart. Clicking on the button will submit the request and will come back as if nothing has happened; --we can always view the content of the cart.

Now, let's search a product to purchase. Click on LeftNav->Products->Search: