{@link com.softslate.commerce.customer.order.CartAddForm} and {@link com.softslate.commerce.customer.order.CartAddAction} respond to reqeusts to add an item to a user's cart.
{@link com.softslate.commerce.customer.order.CartItemEditFormForm}, {@link com.softslate.commerce.customer.order.CartItemEditForm}, and {@link com.softslate.commerce.customer.order.CartItemEditAction} respond requests to edit an item in a user's cart.
{@link com.softslate.commerce.customer.order.OrderForm}, {@link com.softslate.commerce.customer.order.OrderFormAction} and {@link com.softslate.commerce.customer.order.OrderProcessAction} respond to reqeusts for the store's single-page order form.
{@link com.softslate.commerce.customer.order.OrderInitializer} initializes singleton objects in the servlet's application scope related to processing orders in the store.
The remaining classes respond to requests for various parts of the checkout process. {@link com.softslate.commerce.customer.order.CheckoutAction} is a super class for each of the other action classes for the checkout process.