Possible Questions:
- Gist
- Center
- Core
- Center of activity
- Where the action is
- Turning point
- Pivot
- Central point
- Wheel part
- Focal point
- Focus
- Nucleus
- Meeting place
- Activity center
- Wheel center
- Central airport
- Airline's home base
- Wheel's center
- Flight-connection site
- Central area
- Center of a wheel
- Boston
- Airline home base
- Where spokes meet
- Propeller center
- Major airport
- Focus of activity
- Central computer
- Center of interest
- The ___ (Boston)
- Spokes' center
- O'Hare, for one
- Important airport
- Big airport
- Airline locale
- Where some routes meet
- Where planes are often changed
- Wheel's centre
- US Airways has one in Phoenix
- Trivial Pursuit board location
- Transportation center
- Spokes' intersection
- O'Hare, for United Airlines
- O'Hare or Newark Liberty
- Networking device
- Nerve center
- Name for Boston
- Many a layover locale
- LAX or JFK, for American Airlines
- It may wear a cap
- Indirect flight stop-off
- Ethernet device
- Ethernet ___
- Destination for a Trivial Pursuit winner
- Connection point between legs
- Connecting flight site
- Central city
- Center piece
- Center of a Trivial Pursuit board
- Center of a busy metropolis
- Boston's nickname, with "the"
- Boston's nickname with The
- Boston, with "the"
- Boston, for O. W. Holmes
- Boston Statehouse, to O. W. Holmes
- Atlanta, for Delta Airlines
- Atlanta, for Delta
- Air base?
- Active area
- "That '70s Show" diner, with "The"
- "Bub" or "cap" opener
- ___-and-spoke
- ____City (Saskatoon, familiarly)