It's a pronoun that can replace a place in a sentence:
Are you going to Paris ? Yes, I'm going there !
Vas-tu à Paris ? Oui, j'y vais
It can also replace a complement of a verb introduce by à and describing a thing (not a person)
Are you thinking about his victory ? Yes, It'm thinking about it
Penses-tu à sa victoire ? Oui, j'y pense
As penser introduces his complement with à
arm y it mean arm
"Il y a" in French translates to "there is" or "there are" in English. It is used to indicate the existence or presence of something.
il y a
comment y aller means 'how to get there' in French.
"that's it"
"Y a des Français ici" is informal French for "Il y a des Français ici," which means "There are French people here."
i think it might mean "there is a hurricane"
y don't you ask your Grammy stupid
we go (there) to swim
"there is a door and..."
You can say "il y a le silence" in French to mean "there is silence."
Il y a un château means "there is a castle" in French.