The term 'MARKET EXPRESS LANE UNITS' refers to a type of retail store that specializes in providing customers with quick and convenient access to a variety of ITEMS. These stores are typically located in high-traffic areas, such as airports, train stations, and shopping malls. The ITEMS available at these stores are usually limited to food, beverages, and other basic necessities. The units are designed to provide customers with a fast and efficient shopping experience, allowing them to quickly purchase the ITEMS they need without having to wait in long lines.