It means "You are absolutely delicious"
"Tu eres mi mundo" in English means "You are my world."
"Tu eres linda" means "you are beautiful" in English.
you are
It means "You are very beautiful. I like your smile (emm - name?) and your body is delectable."
"you are perfect for me and you are beautiful"
It's you
and who are you?
Tu eres muy lista in English means you're so clever.
"Tu eres el vago" in English translates to "You are lazy."
You are what you say (you are).
who are you?
It means "you are".