1. A geographic area or urban center that serves as a central point for economic, administrative, or social activities within a region
The capital city acts as a functional hub for the entire state.
A capital funciona como um polo funcional para todo o estado.
2. In urban planning and geography, a concentration of services and infrastructure that attracts and organizes activity in surrounding areas
The shopping district has become a functional hub for the neighborhood.
O distrito comercial tornou-se um polo funcional para o bairro.