Rumbo translates to "course" or "direction." While it can refer to a literal path, it's often used metaphorically to describe one's life direction or purpose.
In this song, the lyrics say, "Yo, yo era un barco sin mapa y sin rumbo" (I, I was a ship without a map and without direction). This powerful imagery conveys a feeling of being lost and aimless before finding love, making rumbo a key word for understanding the song's emotional journey.
Have you ever felt like someone just gets you, without you even having to say a word? That's exactly what Río Roma is singing about in "La Alegría De Mi Vida" [The Joy of My Life]! He talks about how cool it is that this person understands him "sin decirte nada" [without saying anything to you]. It's that kind of connection where you can explain a hundred things with just one look.
This song is all about finding that special someone who makes every day brighter. He says this person makes him smile "Cuando hace sol o cuando llueve" [When it's sunny or when it rains], no matter what's happening. Before this person came along, he felt like "un barco sin mapa y sin rumbo" [a ship without a map and without a course], but then they appeared and "en un segundo cambiaste mi mundo" [in a second you changed my world]. It's a sweet and simple declaration that this person truly is the joy of his life!