Idol groups are musical ensembles, often originating from countries like South Korea and Japan, where members are trained in singing, dancing, and performance. These groups typically consist of young performers who are marketed to appeal to a wide audience, often featuring a mix of genders and styles. They release music, participate in variety shows, and engage with fans through social media. The members of idol groups often undergo rigorous training in entertainment companies, which helps them develop their skills and public personas. Popular examples of idol groups include BTS, BLACKPINK, and EXO, each known for their unique concepts and dedicated fanbases.