What is intercept geometry's 'lead' concept and how does it affect the intercept?

What is intercept geometry's 'lead' concept and how does it affect the intercept?

• A. A trailing path follows the target and delays intercept.
• B. A path that ignores the target's trajectory and relies on random chance.
• C. A method to intercept from behind after the target has passed.
• D. A lead path places the interceptor on the correct approach track before the target; it improves probability of a safe, timely intercept.

Answer: (D)