MARK DOWN, MAYBE is a term used in the retail industry to describe the process of reducing the price of an item. RETAG and RELABEL are two related terms that are used in this process. RETAG is the process of changing the price tag on an item to reflect the new lower price, while RELABEL is the process of changing the label on an item to reflect the new lower price. Both processes are used to inform customers of the new lower price.