What are music lyrics called in Mexico?

What are lines and lyrics of music called in Mexico?
Update: Well a Mexican friend was asked and they said music lyrics in their country are called phrases. So......I'm not sure what they meant. They also call music bands (groups) .... music teams. That is curious as well.
Update 2: I'm not asking what lyric means in Spanish. I am trying to find out why Mexican Americans we know have no earthly idea why we call lines of a song lyrics. They call them music phrases. In America phrases = sentences.
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