What is expressive qualities of lines?

Expressive qualities of lines refer to the emotional and aesthetic characteristics that lines convey in art and design. Different types of lines—such as straight, curved, thick, or thin—can evoke various feelings; for instance, jagged lines may suggest tension or chaos, while soft, flowing lines can evoke calmness and harmony. The direction of lines also plays a role; horizontal lines often convey stability, while vertical lines can suggest strength or height. Overall, the way lines are used can significantly influence the viewer's perception and emotional response to a piece.