Amegreḍ d win yesɛan aṭas n twuriwin yettawi iẓuran n yidamen yettalin ɣer uqerru, d win yettawin učči ɣer uɛebbuḍ n umdan, d win isekcamen lehwa ɣer tfekka n umdan (MAḤRAZI, 2017 : 178).