commercial building
Commercial building prototypes did not change basic organization and design until modern materials and design encouraged the change. One modern building was the double-width storefront, which has been labeled the modern broad-front. This building was both a neighborhood and a central business district building, although in the business districts it was frequently built on a side street. The broad-front embraced two stores or one wide store within one span. Steel beams and columns made this possible. It was most often a low one-story structure that could be twice as deep as it was wide…