An emporium is a large store that sells a variety of merchandise. Sales Emporium is a large retail store, esp. one selling a great variety of articles. It is a kind of large general shop sponsored by the government it serves as the most important medium for giving publicity to as well as the marketing of the products of the country. It is a place, town, or city of important commerce, esp. a principal center of trade. You can call a department store, with its many different departments, an emporium.
Any retail store that separates its goods into different areas — like “men’s hats” and “kids’ shoes” and “household goods” — can be called an emporium. It is a place of trade; a mart; a town or city of important commerce, especially one in which the commerce of an extensive country center, or to which sellers and buyers resort from other cities or countries; a commercial center.
It is a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain. Almost every small city used to have at least one emporium on its main street, although today you might refer to a big box store or a shopping mall as an emporium. Emporium is a Latin word, rooted in the Greek emporion, “trading place or market,” from emporos, “merchant or traveler.”