The Nanjing Dàyáng Department Store design plan refers to the architectural design of the Dàyáng Department Store located in Nanjing, China. This design likely includes detailed drawings and specifications for the store's structure, layout, and aesthetic elements, reflecting contemporary architectural trends and the store's branding. The design process for such a project involves collaboration between architects, designers, and possibly engineers to ensure the building's functionality, safety, and aesthetic appeal.