HUBS

Meccas

• Activity centers

• Airline routing centers

• Big airports

• Busy airports

• Busy centers

• Centers

• Centers of activity

• Centers of interest for Bush

• City centers

• Cores

• Ethernet devices

• Focal points

• Important airports

• JFK et al.

• Layover cities, often

• Major airports

• Major airports, e.g.

• Metropolitan centers

• Nerve centers

• O'Hare and JFK

• ORD and ATL, e.g.

• Parts of cars with caps

• Places to make connections

• Primary intersections

• Processing centers

• Wheel centers