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Final answer:In hair design, 'the origin' is the point where motion begins, which can be either at the ends or the middle of the hair line, and is critical for creating hair styles.Explanation:In hair design, the place where motion begins is known as the origin. This reference point refers to either end of the line or the middle of the line, the latter also being formally called 'the origin'. Understanding the hair structure is crucial for hair design, and it includes knowing that a hair shaft has three zones: the cuticle, the cortex, and the medulla. Moreover, hair growth initiates in the follicle, where stem cells divide to give rise to new keratinocytes. This knowledge is essential for professionals in hair design and cosmetology to create accurate and attractive hair styles.In hair design, the place where motion begins is known as the origin. It can be either end of the line or the middle of the line. The origin is the reference point from where the movement of hair is initiated. In hair growth, the motion begins inside the follicle when stem cells divide to produce new keratinocytes, which contribute to the growth of hair.A hair shaft has three zones: the outermost zone called the cuticle, the middle zone called the cortex, and the innermost zone called the medulla. These zones are important in hair design as they influence the texture, strength, and appearance of the hair....