Answer:
I can move even when you are still. I can be one or many.
A man shot two arrows at its center and missed both times, but using a sword swung once at its center and hit it twice.
It flies when it's on and floats coming off.
I move without wings, Between silken string, I leave as you find, My substance behind.
I have three hundred cattle, with a single nose cord
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?