The Huadu International Plaza is a large-scale commercial complex, typically featuring a mix of retail, office, and residential spaces. The design of such a plaza often includes considerations for sustainability, aesthetics, functionality, and the integration of public spaces. Key aspects of the design might involve architectural styles, sustainable technologies, traffic flow management, and public amenities. For specific details about the Huadu International Plaza's design, one would need to consult the architectural plans or developers' information.