Which of the following words is closest in meaning to “Diction”?

Diction means manner of speaking or pronouncing words.

• Correct answer - manner of pronouncing words: it has the same meaning as Diction.
• edition: a version of a publication - wrong, it does not mean the same as Diction.
• research: systematic investigation - wrong, it does not mean the same as Diction.
• command: an order - wrong, it does not mean the same as Diction.