Answer:
The branches are Visual, manual and Cognitive.
Where visual is when you take your eyes of the road.
Manual is when you take your hands off the wheel
Cognitive is when you are thinkin in other thing and not in driving.
Sending messages while driving is a visual, manual and cognitive distraction.
Something, like smoking a cigarette or drinking coffee, is a manual distraction.
Looking at something that is not in front of you is a visual distraction.