Diction, in its original, primary meaning, refers to the writer's or the speaker's distinctive vocabulary choices and style of expression. A secondary, more common meaning of "diction"'s more precisely expressed with the word enunciation — the art of speaking clearly so that each word's clearly heard and understood to its fullest complexity and extremity. This secondary sense concerns pronunciation and tone, rather than word choice and style. Diction has multiple concerns; register —… (More on Diction)