civic center, down town, municipal center, body, nave, narthex, nacelle, navigation, headtube, center, more...

spoke

USB, Ethernet, Thunderbolt, Firewire, more...

central, major, commercial, regional, main, important, rear, economic, single, front, financial

center of activity,   connection point,   centers of interest,   center of,   central position,   kind of center,   central location,   centre of a volute,   busy place,   central area