Answer:
Perhaps the most important adjective for ballerinas and princesses.
A locked sphere without hinges or key. Break me open and golden treasures you'll see
The famous royal young lady who had several short men following her.
Words come out of it, aligned in perfect silence. A messenger of black on white, a slinky fellow drawing lines, of thin and soft graphite
What is flat, usually square, and made from trees but isn't wood?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?