What's the difference between a Korean actor Aidou and a singer?

In South Korea, Aidou is mainly a young idol, whose main characteristics are young and good-looking, but her professional qualities such as singing and acting may be relatively weak.

Actors are high-ranking figures in Korean entertainment circles. Many people who dream of entering the entertainment circle want to be an actor, and many Aidou are actively moving closer to this aspect, even if they play a small role.

Singers, usually called singers in Korea, have excellent singing skills, far higher than idol singers, such as Li Xianji.