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 used to respond to a situation such as a conversation between friends. It can also be used as a way to express interest in something or show care.
I don’t know
The ballad I Don't know What to Do is about a broken heart. Its chorus features angelic singing and ends with an emotive finale. The chorus is about the heartbreak of a breakup. It may sound upbeat but it really is about the pain of losing a loved ones.
BLACKPINK from South Korea has recorded the song "Don’t know what to do". Teddy Park produced the track and Brian Lee wrote it. It was released in the second song of Kill This Love's minialbum. It peaked at number 38 of the South Korean Gaon Digital Chart, and it reached 49 on Japan Hot 100.
I don't care about it
The eponymous song is the second single from I Don't Really Care About It. This song is a collaboration of Ed Sheeran with Justin Bieber. The song's protagonist is an introverted man who struggles to socialize. The song's lyrics speak of his need for social anxiety relief, which he finds in the love of his life.
