Baldosa literally means "tile" or "floor tile." It's an interesting word because it's not commonly found in romantic song lyrics, making its appearance here quite unique and memorable.
In the song, Carlos Vives sings, "Ven pa' que bailemos en una sola baldosa" (Come so we can dance on a single tile). This phrase beautifully conveys intimacy and closeness, suggesting that their love is so strong they only need a tiny space to share a dance, oblivious to the world around them. It's a charming and evocative image that stands out.
Vives spends most of this song hunting for a comparison big enough, and keeps admitting he cannot find one. "Pero es que todas las palabras que hay en castellano" ("But all the words there are in Spanish"), "Para explicar mi amor, parece que son pocas" ("to explain my love, they seem too few"), and then "Y para describirte es corto el diccionario" ("and to describe you, the dictionary is short"). So he gives up on adjectives and reaches for breakfast and geography instead: "Mejor que cafecito en la mañana" ("Better than coffee in the morning"), "Mejor que una semana en Cartagena" ("Better than a week in Cartagena"). Coming from a man off the Colombian coast, that is the highest praise on offer.
What he actually promises is small and physical. "No voy a dejar de quererte" ("I'm not going to stop loving you"), "Besarte la boca" ("kissing your mouth"), and an invitation to dance "En una sola baldosa" ("On a single floor tile"), which is how you dance when you have no intention of stepping away. The old coastal line "Dicen que en el mar la vida es más sabrosa" ("They say life tastes better at sea") gets answered in the very next breath with "Pero mejor sabe tu boca" ("But your mouth tastes better"). By the last verse he is betting against spring failing to arrive and against "O se unan otra vez los continentes" ("Or the continents join again"), and the answer still does not change.