바다

바다

Sea.

Here, '바다' is used as a subject and represents the sea, describing its vastness and color.

바다는 넓고 푸르다.

The sea is vast and blue.

In this sentence, '바다' is used to denote the location where an activity (going) occurs, particularly as a destination.

나는 여름마다 바다에 간다.

I go to the sea every summer.

Here, '바다' refers to the seaside or beach area as a specific location for the activities described in the sentence.

아이들이 바다에서 모래성을 쌓고 놀았다.

The children built sandcastles and played at the beach.