IDK is a common expression in face-to–face language that can be used to express uncertainty, describe what is unknown, or answer questions. It is commonly used to describe a situation, such a conversation with friends. IDK can also serve to indicate a lack of interest or concern in an activity.
I don't know
The ballad "I don't know what to do" is about a breaking up. The song's chorus has angelic girls singing it, and the song closes with an emotional ending. The chorus is about heartbreak after a breakup. Although it sounds upbeat, the lyrics are about the heartbreak of losing a friend.
BLACKPINK's song "Don’t Have the Right Idea" is a South Korean girl-group. Teddy Park produced and wrote the song. It was released as the second track of the group's Kill This Love mini-album. It reached number 49 on the Japan Hot 100 and peaked at number 38 in the South Korean Gaon Digital Chart.
It doesn't matter to me
The eponymous track is the second single taken from the album I don't Care about It. This single is a collaboration between Ed Sheeran and Justin Bieber. The song's protagonist is an introverted man who struggles to socialize. Lyrics of the song speak to his need to get rid of social anxiety and find help in his lover.
