What Is Love stands as a defining track in the discography of Exo, capturing the group's signature blend of pop sensibilities and polished production. Released during a period of significant growth for the South Korean act, the song showcases their ability to craft infectious melodies that resonate across diverse audiences. The recording features the band's characteristic vocal harmonies and dynamic choreography, elements that have become central to their identity. As part of their broader body of work, the track exemplifies the group's evolution in the K-pop landscape, balancing energetic rhythms with emotive delivery. Its enduring popularity reflects Exo's skill in creating anthemic songs that connect deeply with listeners while maintaining the high standards expected from their extensive catalogue.