The cart page shows you what you have put in your shopping cart so far. If you wish to take an item out, click the Remove button on the right hand side.

If you wish to add more to an item already picked (e.g. you have one spoon in the cart but you really want 6), put the quantity you want in the Quantity field on the left hand side and clicked the Update button.

After you have finished shopping, clicked the "Continue to Checkout" button.