Answer:
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
If you have me, you want to tell me. If you tell me, you don't have me.
I'm a green veggie that looks like a tiny tree.
Casper was a friendly one and Demi Moore made a clay pot with one.
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?