Relier Pairs Design Elements #1Version en ligne Test your knowledge of the basic elements of hair design. par Rosalind Carter 1 diagonal lines 2 vertical lines 3 parallel lines 4 Horizontal lines 5 Transitional lines 6 curved lines 7 directional lines 8 single lines 9 Contrasting lines Create length and height in hair design. Often used to emphasize or minimize facial features. horizontal and vertical lines that meet at a 90-degree angle. Lines with a definite forward or backward movement. create width in a hairstyle. Repeating lines in a hairstyle. Used in the one-length hairstyle. Move in a circular or semi-circular direction. curved lines that are used to blend and soften horizontal or vertical lines.