This phrase suggests an event or sale where department store design elements or products are being offered at reduced prices. It could be part of a marketing strategy to attract customers to a market specializing in department store design or to liquidate excess inventory. Department store design typically includes elements such as interior layout, signage, display counters, and decorative elements. In the context of a market sale, one might expect to find items like furniture, fixtures, and decorative items that are used in department stores.