Deg leqdic-nteɣ neḍfer tiẓri tanḍawant (théorie variationniste). Ad nexdem akenni i kra n yismawen yeɛnan akk leṣnaf n yiɣersiwen, ad d-nesbeyyen amgired yellan seg taddart ɣer tayeḍ si tama n temsislit, amawal d tesnalɣa.