IDK is a common expression used in face-to-face language to express uncertainty, describe something that is not known, or answer a question. 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 song "I Don't Know what to Do" is a ballad about a split. Its chorus is sung by angelic girls, and the song ends with an emotional finale. The chorus is about the heartbreak that comes with a breakup. Although it sounds upbeat, the lyrics are about the heartbreak of losing a friend.
BLACKPINK is the South Korean girl band that sang "Don't know What to Do." Teddy Park produced the song. The song was written and produced by Brian Lee. It was released on the Kill This Love mini album as the second track. It peaked at number 38 of the South Korean Gaon Digital Chart, and it reached 49 on Japan Hot 100.
I don't care.
The eponymous single is the second from the album, I Don't care About It. This song was a collaboration between Ed Sheeran & Justin Bieber. The protagonist of the song is an introverted man who has a hard time socializing. The lyrics describe his search for relief from his social anxiety through his love.
