Possible Clues:

• Leaders in rural area discuss innovative ideas - more than one spoke
• Centre-circumference lines
• Distances measured by spokespersons?
• Spokes - bones
• Lines between the center and circumference of a circle
• Semidiameters
• As is right these days, the team spoke with others
• More than one spoke with leader in Rome 2002 years ago
• How I'd get air from the centre of the circles to the edge
• Arm stiffeners