The "(618)" in the filename usually indicates one of two things:
: If it is a "618" upload, it often features vibrant urban backgrounds or studio lighting typical of modern dance challenges. Girls Forever (618) mp4
: June 18th (6/18), likely the date the performance was recorded or the video was uploaded. The "(618)" in the filename usually indicates one
: It is frequently used as a title for amateur or semi-professional dance groups (often from China or Southeast Asia) performing covers of "Girls' Generation" tracks. Girls Forever (618) mp4
: It may be a clip from a Douyin (TikTok China) or Bilibili livestream recorded on June 18th.
: These videos generally focus on high-energy synchronization and "street style" fashion.