Manantial translates to "spring" or "fountain" (as in a natural water source). It's a beautiful and somewhat poetic word that evokes images of purity and life.
In the song, the lyric "No te alejes de este manantial" (Don't stray from this spring) is a plea to stay connected to a source of goodness or love, contrasting with the earlier themes of contamination and deceit. It represents a hopeful return to something pure and essential.
Rawayana's "En Tu Mar" (In Your Sea) with Fer Casillas and CHEO is a really cool track about realizing you're done with someone's drama and dishonesty. The singer uses the metaphor of a "sea" and "sand" to represent a relationship that's become toxic. They declare, "Allá en tu mar, ya yo no me mojo" (There in your sea, I no longer get wet), meaning they're no longer going to get involved or be affected by the other person's issues.
It's all about that moment when you see through the lies. The lyrics say, "Es que tu arena ya no es la más divina, cuando viniste a embarrarla, tus mentiras contaminan la verdad" (Your sand is no longer the most divine, when you came to muddy it, your lies contaminate the truth). The singer feels betrayed, stating, "Hoy tu horizonte no es el que me fascinaba, cuando decidiste usarlo pa engañarme y destrozar mi realidad" (Today your horizon is not what fascinated me, when you decided to use it to deceive me and destroy my reality). Even though there's a moment of temptation to go back, with lines like "Contamíname otra vez, desnudos piel a piel, volviéndonos locos" (Contaminate me again, naked skin to skin, going crazy), the main feeling is a strong refusal: "Yo lo siento, pero no quiero ir a bañarme hoy, no eres de mi confianza, no" (I'm sorry, but I don't want to go bathe today, you're not trustworthy, no). It's a powerful statement of self-preservation.