Dagi ad tafeḍ assaɣ gar yiferdisen n teyḍisemt iban-d deg wayen yellan d akmam (concret), isenfalay-d yis-s ayen yellan d amadwan (abstrait). Meḥsub d tayḍisemt n usɣel (signe). Am wakka ara d-iban deg yimedyaten-a :