Line
"Dynamics" describes energy, force,  intensity or mood. The dynamics of a line are largely determined by its tension and width. Long, narrow lines are more active than those that are short and thick. Straight, angular lines can indicate strength and stability but in certain circumstances may appear awkward or stiff.Gently curving contours usually impart fluidity and grace; however, excessive use of curved lines may lead to forms that are relaxed, saggy or limp. Customarily, dotted lines indicate structural or conceptual relationships, but a broken line that is irregular can seem frail or edgy.