A line is a shape with width and length and can be part of graphics design. The lines are versatile in graphics designing and can communicate feeling and information. The purposes that a line can serve in the design are to communicate feelings of what you are designing, to add texture or interest to a visual design, it can be decorative. (Line can make your work beautiful), to provide movement and so on.
The Greeks were the culture that uses lavish perfumes and cosmetics in their religion rituals and who apply kohl to their eyes and vermillion their cheeks and lips.