Boiadeira is the Portuguese word for "cowgirl". It's strongly associated with Brazil's sertanejo (country) music and lifestyle, representing a woman who embodies the style and spirit of the countryside and rural traditions. The artist, Ana Castela, is even famously known by the nickname "Boiadeira".
In the song, the singer nostalgically imagines a future that never came to be. She pictures having a "filha boiadeira" (a cowgirl daughter), a powerful image that represents the specific, rustic life she dreamed of with a lost love. This unique word perfectly captures the song's blend of modern pop and traditional country themes.
Ever have one of those exes you think about late at night? Ana Castela gets it. "Nosso Quadro" is all about that one person who makes you look at the ceiling and ask, "Será que se fosse hoje / A gente dava certo?" (What if it were today / Would we have worked out?). It's not a bitter song, though. She says the feeling isn't anger or hate, but "dá pena do fim" (a pity for the end). It's a love story that feels like an "álbum incompleto" (an incomplete album).
She imagines a whole life they could have had, a picture of them getting married that "só existe na minha cabeça" (only exists in my head). This fantasy is pure country: herding cattle, having a "filha boiadeira" (cowgirl daughter), and living out in the sticks. Even though it didn't happen and time "não foi tão legal com nós dois" (wasn't so nice to the two of us), she holds onto the idea that it was real. The song's main message is a beautiful one: "Vai ser amor mesmo não sendo a vida inteira" (It will be love even if it's not for a lifetime).