When to use practical use in Korean
Korean: 활용[ hwal-yong ]

When to use it
활용 means using something in a useful or practical way. You use it when a person takes an object, idea, time, or skill and uses it for a purpose. It is often seen in the form 활용하다, which means "to make practical use of" something.
Example sentences
집에서 빈 병을 꽃병으로 활용해요.
I use an empty bottle as a vase at home.
학교에서 이 앱을 공부에 활용해요.
I use this app for studying at school.
공원에서 나무 그늘을 쉬는 곳으로 활용했어요.
We used the tree shade as a resting place in the park.
친구와 대화할 때 손짓을 활용해요.
I use hand gestures when talking with a friend.
가게에서는 작은 상자를 선물 포장에 활용해요.
The store uses small boxes for gift wrapping.
여행할 때 지도를 잘 활용하세요.
Use the map well when traveling.