Okay, imagine you have four friends who want to hold hands and walk together. They decide to walk in a square shape with each friend holding hands with the two closest friends. This is called a "star shape."
Now, imagine this is a cable (kind of like a rope) that is used to carry music or sound from one place to another. Each "friend" represents a wire inside the cable that sends the sound signal.
The benefit of using a star quad cable is that it helps the wires inside the cable resist interference or "noise" from other electronics or signals nearby. This is because the shape of the cable keeps the wires evenly spaced and further apart from each other, which reduces the chances of them picking up unwanted signals.
So, in summary, a star quad cable is a special kind of cable that has four wires arranged in a star shape, which helps the cable resist interference and carry sound signals more accurately.