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The Qur'an is a non-unified composition, including a number of different styles and genres, such as...
What is disjointed, not a unified composition, asseverative (as of a positive, earnest declaration), rhapsodical; including genres such as rhymed prose (verses of varying length marked by rhyme or assonance, narratives, parables, slogans for public use, dramatic scenes, metaphors; and most surahs begin with the bismile.