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