1) Fashion terminology 
A display window, also shop window (British English) or store window (American English), is a window in a shop displaying items for sale or otherwise designed to attract customers to the store. Usually, the term refers to larger windows in the front façade of the shop. ==History== The first display windows in shops were installed in the late 18th...
The large glazed portion of the storefront, and the associated framing, above the bulkhead and below the transom, extending from pier to pier. The display window is typically used for the display of goods and to provide daylight and visibility into the commercial space.
[n] - a window of a store facing onto the street
shopwindow noun a window of a store facing onto the street; used to display merchandise for sale in the store