Understanding 'authorial' here means recognizing the unique style or expression of the writer. Murakami’s authorial manner includes talking cats and parallel realities.
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Distinct Voice
'Authorial voice' is the personal writing style an author uses in their storytelling. J.K. Rowling's authorial voice is imaginative and vivid, appealing to all ages.
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Creative Signature
The term sometimes implies a writer's creative signature or trademark in their works. His use of wit and satire was unmistakably an authorial trademark.