It s out if the click causes an absolute exit from the home site. NY Times almost all site-generated. Combines sit-generated and links elsewhere. This consists of absolute links elsewhere. It outsources and concentrates on its key competency.
Commerce involves the transaction.
The discussion focuses on functional tools and alternative pricing approaches. Can store credit information and other materials. Serves same function as the supermarket shopping cart. But in addition, can leave cart, go elsewhere, and return to continue shopping trip. Orders through affiliates.