Lícito means "licit" or "lawful", referring to something that is permitted or legitimate. It's a formal word not commonly found in everyday song lyrics.
In "La Zona", Rawayana uses lícito in a unique and poetic way: "Si los dos estamos claros que lo lícito eres tú" (If we're both clear that you are what's licit). Here, it transcends its legal meaning to imply that the person being sung about is the only thing that is truly right, permissible, and essential in the singer's life, highlighting their profound importance.
Rawayana's "La Zona" is all about that feeling when you're so completely into someone that nothing else matters. The lyrics are super direct, saying things like "Rompo con tu estilo / Rompo con la idea / De que necesito / Algo de lo nuestro para que valga la pena" [I break with your style / I break with the idea / That I need / Something of ours for it to be worthwhile]. It's like, everything before them, all the usual expectations, just don't apply anymore.
He really drives home this idea of self-sufficiency through his partner, repeating "No necesito agua / No necesito fuego / No necesito guía / No necesito nada" [I don't need water / I don't need fire / I don't need guidance / I don't need anything]. He even says her kisses hydrate his soul and her body heat is extreme! When he's with her, he doesn't care about the news, what's happening, or even the time. She's his light, his zone, and all that truly matters is that she never leaves him. It's a sweet, focused declaration of love.