Urban design refers to the comprehensive planning of the physical layout and organization of cities. Synonyms for urban design include city planning, town planning, urbanism, and urban development. These terms all refer to the art and science of shaping the built environment of urban areas to create more livable and functional communities. Other related concepts include landscape architecture, which focuses on the design and management of public spaces, and urban regeneration, which involves repurposing and rejuvenating existing urban spaces. Urban design is a critical component of creating sustainable, healthy, and vibrant cities that enable people to live, work, and thrive.