A Product represents a physical, digital, or abstract good that is offered for sale by a Marketplace Owner or Supplier and is purchase-able by Buyer Users via an Order. Products can be a static SKU or a version of a static SKU, known as a Variant. For example, a variant is often a size or color choice that drives a different product SKU. Products may also have inventory associated with them and various inventory attributes like quantity available and re-order notifications.