Umbral translates to "threshold" or "doorstep". It's a less common word in everyday conversation and adds a touch of poetic depth to the lyrics.
In the song, Agoney sings, "Por fin puedo seguir bailando en el umbral" (Finally I can keep dancing on the threshold). This imagery suggests a moment of transition, standing on the brink of something new, perhaps freedom or a new phase in life, making it a powerful and evocative choice.
"Quizás" ("Perhaps") is Agoney's declaration of independence, written in the after-shock of walking away from someone who assumed he couldn't. He opens mid-thought — "Quizás ahora pierdo el control y me da igual" ("Perhaps now I lose control and I don't care") — treating the loss of control as a shrug, not a crisis. The verses needle at an ex who was certain the relationship would end them both: "Nunca imaginaste que sin mí no habría luz" ("You never imagined that without me there'd be no light"), answered flatly with "Siempre fui más fuerte que tú" ("I was always stronger than you"). The chorus turns the breakup into an origin story: maybe he's just "Un gran aprendiz" ("A great apprentice") — someone the ordeal taught something, rather than someone it broke. By the second verse he's dancing on his own doorstep again, watching the sun and the sea as if reclaiming his own senses: "Y ver que las cosas ahora tienen lugar" ("And see that things now have a place"). The song never settles who was right — it just repeats "Quizás, quizás" ("Perhaps, perhaps") until the uncertainty itself starts to sound like relief.