This is the 7477th most frequent Korean word.
춤
Dance
Here, '춤' (dance) is used as a noun and serves as the object of the sentence.
나는 춤을 좋아해요.
I like dancing.
In this sentence, '춤' is a noun, depicted as something being performed.
그녀는 아름다운 춤을 추고 있어요.
She is performing a beautiful dance.
'춤' functions as a modifier within the compound noun '춤 연습' (dance practice).