Why are French, Italian, Portuguese, Spanish, and Romanian sometimes referred to as "Romance Languages"?

They are languages that speak of heroism and love.
They are languages that originated in ancient Greek.
They are languages that originated in ancient Latin.
They are languages that sound musical when spoken.

They are referred to as "Romance Languages" because they all evolved from Latin, which was the language of the Roman Empire. The term "Romance" comes from the Latin word "Romanicus," meaning "in the Roman style." These languages developed in the regions formerly controlled by the Roman Empire and share common characteristics and linguistic roots that trace back to Latin.