Difference between damage and worry in Korean
피해·걱정

피해damage
Damage means harm or loss caused by something bad, like water, fire, or a storm. The Korean word 피해 is often used when a house, building, place, or people are hurt by an accident or natural disaster. You can use it to talk about small damage or big damage.

걱정worry
(걱정) means worry or concern. You use it when you feel uneasy about something, like a problem at home, school, or on a trip. It is a common everyday word for talking about your feelings or telling someone not to worry.
The difference
걱정 is a feeling in your mind. It means being anxious about a problem, not actual harm from a fire, storm, or accident.