Or the “strong spot of the rug level” is a place where the viewer’s attention is focused on first. This may be a dark spot on the surface or a clear effect on the dark surface. In the rug of this point it can play a beautiful or handsome role that is prominently apparent on its surface and attracts the view that the song of colors, the colors and types can play a fundamental role in expressing and pretending this point of attention. For example, the role of a dark bird in the rug may be on the blue field of attention at the rug level. As soon as he sees the object, he sees the brightest, or the darkest effect on the line or follows the path of bright or dark roles. So the designers and role makers of the rug act by using this fact and the Master who combine colors by their experiences in such a way that the viewer’s views are drawn to the point or points of their attention before other points and thus observe and understand the beauty sooner and faster.