Related Clues:
- O'Hare and LAX
- Math points
- Focuses of activity
- Sets of plotted points
- Central airports
- Ellipse centers
- O'Hare and DFW, for two
- Plot points?
- Engrossments
- Nexuses
- Central parts of wheels
- Hockey players who face off in a face-off
- Convergence spots
- Government department beginning to catalogue current central points
- Points of interest perhaps covered up by public office