Answer:
What dress does everyone have, but no one wears?
What can travel all around the world without leaving its corner?
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.
I go through a door but never go in and never come out.
I am so delicate that even mentioning me breaks me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.