Answer:
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
What starts with an 'e' and ends with an 'e' but only has one letter?
I can be in your body but never on your placemat. I'm always better when I'm fresh, but you'll never see me in the flesh. What am I?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
When it comes to me, you go on red and stops on green. What am I?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.