Akwai ma'anoni da yawa don kalmar "erg" dangane da mahallin:A cikin ilimin lissafi, erg shine naúrar makamashi, daidai da 10^-7 joules. <> A cikin ergonomics , erg wani yanki ne na ma'auni da ake amfani da shi don bayyana adadin aikin da mutum ya yi a cikin wani ɗan lokaci. dunes na yashi, galibi ana samun su a yankunan hamada.A Turkanci, “erg” na nufin “fadi” ko kuma “fadi”. kalma tana iya dogara da mahallinta, don haka yana da kyau a koyaushe a yi la’akari da mahallin da ake amfani da kalmar don tantance ma’anarta.