Difference between arm and hair in Korean
팔·머리카락

팔arm
"Arm" means the body part between your shoulder and your hand. In Korean, 팔 is used when you talk about moving your arm, hurting your arm, or holding something with your arm. You can use it in simple daily sentences like "My arm hurts" or "Raise your arm."

머리카락hair
Hair is the strands that grow on your head. In Korean, 머리카락 means the hair on a person’s head. You can use it when talking about washing, cutting, brushing, or tying your hair.
The difference
arm (팔) and hair (머리카락) are nearby Korean vocabulary items learners often meet together. Use “arm” when "Arm" means the body part between your shoulder and your hand. In Korean, 팔 is used when you talk about moving your arm, hurting your arm… Use “hair” when Hair is the strands that grow on your head. In Korean, 머리카락 means the hair on a person’s head. You can use it when talking about washing,…