Timbre refers to the unique quality or character of a sound, often used to describe a person's voice or a musical instrument.
In this song, the lyrics say, "E só de ouvir o timbre da sua voz, Já não me sinto tão só" (And just by hearing the timbre of your voice, I no longer feel so alone). It beautifully conveys how the distinct sound of their loved one's voice brings comfort and connection, making it a poetic and memorable word.
Melim's São Paulo trio built "Transmissão De Pensamento" on a single conceit: two people so in sync they don't need words. The hook says it outright — "'Tá rolando transmissão de pensamento" ["Thought transmission is happening"] — and the verses spend their time proving it, with a couple finishing each other's thoughts before they're spoken: "Tudo que você quer, é eu 'tô sabendo" ["Everything you want, I know"]. It's close-harmony pop built for the group's soft, blended vocals, and by the bridge the metaphor turns explicit: "O eu, se transformou em nós, em nós" ["The 'I' turned into us, into us"].