Final answer:
The outline or silhouette of a hairstyle is known as the line. The shape, design, and movement of the hairstyle are created by lines.
Step-by-step explanation:
The outline or silhouette of a hairstyle is known as the line. It refers to the overall shape and structure of the hairstyle. The shape, design, and movement of the hairstyle are created by the lines that are formed by the arrangement of the hair.
Learn more about Hairstyle outlines and lines