1. Aggressively preemptive honk letting you know that you're about to miss the green light
  2. Conspicuously well-timed honk letting you know that the light is turning green right...now
  3. Two-second-rule courtesy honk (standard)
  4. Grotesquely late honk that goes well beyond being a courtesy to anyone*
  5. I'm not gonna honk at the guy. You know what, let me just change lanes here...**
    *me **also me