Gudbiye waa beddele u beddela calaamadda wax-soo-saarka dareemaha oo u beddela calaamad lagu aqoonsan karo kantarooluhu (ama isha ishaarada ka beddeleysa tamar aan koronto ahayn oo ka timaadda dareeraha una beddelo calaamadaha korantada isla markaana kordhiya gudbiyaha cabbirka fog iyo xakamaynta).
Dareemaha iyo gudbiyaha si wada jir ah waxay ka kooban yihiin isha ishaarada isha ee si toos ah loo kontoroolo.Tirada jireed ee kala duwan waxay u baahan tahay dareemayaal kala duwan iyo gudbiye u dhigma, sida kantaroolaha heerkulbeegyada warshadaha ayaa leh dareen gaar ah iyo gudbiye.