This is the 6119th most frequent Korean word.
소녀시대
"소녀시대" means "Girls' Generation," which is the name of a popular South Korean girl group.
The term "소녀시대" is used as a proper noun referring to the name of a famous girl group.
소녀시대는 한국의 인기 있는 걸그룹입니다.
Girl's Generation is a popular girl group in Korea.
Here, "소녀시대" continues to function as a proper noun specifying the artists whose songs are being enjoyed.
많은 사람들은 소녀시대의 노래를 좋아합니다.
Many people like Girl's Generation's songs.
Again, "소녀시대" is contextually a proper noun indicating the group that influenced the music industry.