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"Tú" is a form of "tú", a pronoun which is often translated as "you". "Bien, gracias" is a phrase which is often translated as "fine, thank you". Learn more about the difference between "bien, gracias" and "tú" below.
bien, gracias(
byehng
grah
-
syahs
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
tú(
too
)A pronoun is a word that stands in for a noun (e.g., she).
1. (informal) (second person singular)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).