Or the eye-opening line is always about the fact that at one level, such as a board or rug, it is important to pay attention to the interesting points and to join them. The lines, such as Simis, guide the paintings and carpets of the eye in this way, are a turning point of view and link to the line of view or attention line at the level. The line of attention in the rug can be composed of several roles in various parts of its surface, such as flowers, propensities, and objects, or that their colors may play a significant role. The eye on the line of attention is the brightest or darkest points by helping the role of the themes in this natural passer.