This is the 6757th most frequent Portuguese word.
girar
"To turn" or "to spin."
In this sentence, 'girar' is used to indicate the action of rotating or spinning an object, which is a primary meaning of the verb.
Eu apertei o botão para girar a máquina.
I pressed the button to rotate the machine.
Here, 'girar' describes the motion of moving in circles or spinning, demonstrating movement.
Ele começou a girar em círculos na pista.
He started spinning in circles on the track.
In this context, 'girar' is employed metaphorically to signify that the discussion was focused around or centered on a subject.