Answer:
I am a delicious way of representing data.
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I shoot but never kills
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
Whoever makes it tells it not. Whoever takes it knows it not. Whoever knows it wants it not
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.