Yessefk ɣef umyag ad yesɛu amatar udmawan i yettuɣalen neɣ idyemmalen anwa iixedmen tigawt (asentel). Asemmad imsegzi neqqar-as daɣen asemmad n usentel, asemmad n umigaw neɣ asemmad amezwar (rfrentiel).