Tiny Skinny Pre-teen Girls What Are The Differences: Skinny, Thin, Tiny, Curvy, Fat?

What are the differences: skinny, thin, tiny, curvy, fat? - tiny skinny pre-teen girls

They are thin and delicate, to share the same meaning? Ie, curves (thin or thick, thin) /. What is small? I am confused ..?

What do I need to? I would just like Victoria Justice (except I'm shorter) a little bit. I weigh 70 kilos. I 14 October its 15th Birthday