컵

컵

Cup.

In this sentence, '컵' is used to refer to the physical object, a cup.

이 컵은 빨간색입니다.

This cup is red.

Here, '컵' is used as a container typically used to hold drinks.

저는 커피를 컵에 따라 마십니다.

I pour coffee into a cup and drink it.

In this example, '컵' represents the specific item purchased, a cup.

가게에서 새 컵을 샀습니다.

I bought a new cup at the store.