Final answer:
Une tresse, une mèche, and une teinture refer to different aspects of hair, while une tâche de rousseur is unrelated to hair.
Step-by-step explanation:
Une tresse is a braid, which is a hairstyle using three or more strands of hair. Une mèche is a lock or strand of hair. Une tâche de rousseur refers to a freckle on the skin, not hair. Une teinture means hair dye, which is used to change the color of hair.
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