Erg (landform) Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand and where sand covers more than 20% of the surface. Smaller areas are known as "dune fields". The largest hot desert in the world, the Sahara, covers and contains several ergs, such as
What Love Is Made Of The song was ultimately excluded from Katy's second studio album, entitled "Little Red". During an interview with "Clash", Katy was asked about why she had not included the song in the album's track listing. To that question, she responded: "I just felt that I wanted to put some music out there, really. Like, 'Aaliyah' from "Danger EP" is on the album, but I loved collaborating with Jessie Ware. But ["What Love Is Made Of"] means a lot to me [too], so I wanted to get it out there, regardless of whether it was on the album." Having a length of