Ixef wis sin Amezruy d teẓri n uktazal tikci n wazal i yirmad n ulemmud. Ma d aselmad di ddehn-is ad d-yefk akk allalen iwatan i uktazal n yizralmuden (aspects) n tmusni d usineg (savoir et savoir-faire). Terra-d daɣen s lwelha ɣer tgensest (représentation) d wamek yettakez unelmad timsal, d tegnatin ugur imi deg-sent ara d yili usesmel n yiswiren n yinelmaden. Ɣer umyuɣel-agi umi qqaren (le constructivisme), 1 tamusni tettili-d gar yinelmaden akken tezmer ad d-tili gar uselmad d yinelmaden-is.