When to use promotion in Korean
Korean: 홍보[ hong-bo ]

When to use it
홍보 (promotion) means telling many people about something so they know it and become interested. You use it for events, products, stores, places, or services. In Korean, people often say 홍보하다 or 홍보를 하다 for “to promote.”
Example sentences
엄마는 집에서 가게를 홍보해요.
Mom promotes the store at home.
우리는 학교 축제를 홍보했어요.
We promoted the school festival.
공원에서 행사 홍보를 해요.
They promote the event in the park.
친구가 새 동아리를 홍보해요.
My friend promotes a new club.
직원이 세일을 홍보해요.
The employee promotes the sale.
여행사에서 제주도 여행을 홍보해요.
The travel agency promotes trips to Jeju Island.