...quality to writing that's independant of vocabulary and other colloquial structures, a quality that - even if using neutral/average vocabulary - renders a writing interesting? Is it grammar and excellent ratio of cohesion/coherence? And if not, where does this quality reside? In using varied and highly specific vocabulary in proper contexts? In voice and tone of writing? And if so, how is one to develop such? By emulating authors that are nearest to the voice you want to develop?