All-Kill (AK / RAK / PAK)
올킬When a single track reaches #1 across all major Korean real-time music charts simultaneously (Melon, Genie, Bugs, FLO, VIBE). A Real-Time All-Kill (RAK) occurs on real-time charts, while a Perfect All-Kill (PAK) means #1 on all real-time, daily, and weekly iChart rankings.