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