On a Web site that sells products or services online,
the shopping cart is a common metaphor (from the original grocery store
shopping cart) for the catalog or other pages where a user reads and makes
selections. Typically, the user checks off any products or services that
are being ordered and then, when finished ordering, indicates that and
proceeds to a page where the total order is placed and confirmed. The
programming that provides a Web site with the ability to build a catalog
and its associated database and to integrate pages into its site that
provide users the ability to shop is known as shopping cart software.
A primary consideration when choosing shopping cart software is whether
it will continue to serve a Web site's needs as its catalog and volume
of orders grow.
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