As its name suggests, the curtain rod is a solid, cylindrical rod that’s installed above your window frame for the purpose of hanging curtains.
Generally, curtains are installed directly onto the curtain rod itself, meaning that there are no additional parts like you’d see on a curtain runner. For those who do want the elegance of a curtain rod with all the convenience of a curtain track, however, there is the option of adding curtain rod rings for a timeless take on this modern curtain hanging style.