Naskh
(1) Abrogation, revocation, repeal. Theoretical tool used to resolve contradictions in Quranic verses, hadith literature, tafsir (Quranic exegesis), and usul al-fiqh (roots of law), whereby later verses (or reports or decisions) abrogate earlier ones. Based on Quranic verse ( 2:106 ) according to which God occasionally replaces older verses with better ones. (2) A style of Arabic calligraphy.