Payment Options Your online store builder will allow you to accept many forms of payment both online and offline. An online payment means that a customer will enter their payment information and the payment will be instantly charged to your account.  An offline credit card payment means that the credit card information will be stored in your site administration for you to charge at a later time. Real Time credit card processing Offline credit card processing Pay on account Pay by check Shopping Cart Gateway Your shopping cart will require a gateway.  A gateway is a means of providing secure communication between your online store and your merchant account provider. Authorize.net Paypal 2Checkout