People usually describe others' appearance when they are trying to provide a physical description to someone who has never met the person before. For example, when introducing a friend to someone new, you might say "He is tall with brown hair and blue eyes." Other situations where people describe appearance include when discussing a wanted criminal ("He is a medium-built man with a scar on his left cheek") or when giving a witness statement to the police ("The suspect was wearing a black hoodie and black jeans"). Describing appearance can also be important in job interviews or personal ads, where physical attributes may be relevant to the situation.