How are intersections named on enroute charts, and what is their purpose?

How are intersections named on enroute charts, and what is their purpose?

• A. Intersections are named points defined by the crossing of radials; they serve as waypoints for routing
• B. Intersections are airports used for refueling
• C. Intersections indicate weather patterns
• D. Intersections are not used for routing

Answer: (A)