The 'L' in “EXO-L” stands for Love, and in alphabetical order, L is the 12th letter and links the letters K (EXO-K) and M (EXO-M). EXO-L is considered a sub-unit of EXO, so that EXO-K + EXO-L + EXO-M = One. As in the band's slogan "WE ARE ONE!", meaning the band members and the fans are ONE. EXO-L is in charge of promoting worldwide the Love for EXO-K and EXO-M.