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