Shopping cart page to show details of cart includes list of products, sub-total, tax, shipping, discount, total, etc. From the shopping cart page, customer can remove/update products from the cart, enter coupon code, get shipping estimate easily.
Please read the Browsing The Front-end to know how to create the menu item to EShop shopping cart page.
Also, after adding a product to the cart, there is a popout window is displayed to show the cart content.
You can also setup the shopping cart module to display the mini cart on a module position if you want.