Cartera translates to "wallet" or "purse." While it might seem like an everyday word, its significance in this song makes it particularly poignant and memorable.
Christian Daniel uses "cartera" to symbolize a cherished memory and an enduring presence. He sings, "La foto en mi cartera, tú, la única mujer que hay," revealing that he still carries a photo of his past love in his wallet. This detail makes the word stand out, as it represents a tangible link to a love he can't forget, even though she's no longer with him.
Christian Daniel's "Aunque Ya No Vuelvas" is a really honest look at trying to move on from a past love, but finding it impossible. He starts by saying how people think he's lucky, a "hombre con suerte" [man with luck], because he seems happy without her. But he quickly shuts that down, saying "nada de eso es cierto" [none of that is true].
He carries her photo in his wallet, calling her "la única mujer que hay" [the only woman there is] for him. Even though he's with someone new, trying to forget her, he admits he still feels her "sombra" [shadow] everywhere. The song is all about how this love "no se borra" [doesn't erase] and he just can't forget her, even if she's never coming back. It's a powerful and relatable feeling of being stuck on someone.