What the music obstinato mean?

A music ostinato is a repeated musical phrase or rhythm that serves as a foundation throughout a piece of music. It can occur in various forms, such as a melodic line, harmonic progression, or rhythmic pattern. Ostinatos are commonly used in various genres to create a sense of stability and drive, allowing for variations and developments to occur over the repetitive structure. This technique is prevalent in classical, jazz, and popular music.