D aferdis i d-yettasen ɣer tazwara neɣ ɣer taggara n tefyirt ,yesɛa azal asnamkan deg tefyirt imi d aferdis agejdan deg yisali.Ilmend n IMARAZEN M ( 2016 :70) :  ayen iwumi neqqar anamal n usentel d aferdis- nni i nebɣa ad dnesebgen ɣer tazwara neɣ ɣer tagara n tefyirt ,yettili-d deg wadeg-a imi d netta i d aferdis agejdan deg yisali i d-tewwi tefyirt  .28