I think the parent comment just worded it poorly, but is not necessarily wrong. They were probably just trying to say that a knight's move looks like a straigh

I think the parent comment just worded it poorly, but is not necessarily wrong. They were probably just trying to say that a knight's move looks like a straight line of 3 cells in one direction (which includes the starting position of that piece) and then 1 more cell in a perpendicular direction.