Concept:Diction refers to a writer's choice and use of words in a piece of writing.
It directly shapes the meaning, tone, and clarity of the text.
Explanation:In literature, diction is the selection of words that best express the intended idea.
Thus, it is the most precise term for word choice.
Style is a broader effect that is built partly upon diction, so it is not the exact answer.
Syntax concerns the arrangement of words in sentences, not the choice of words themselves.
Rhythm is the pattern of sounds and beats in language, which is different from selecting words.
Only the word "words" matches the definition of diction exactly.
Hence, a writer's diction is simply determined by the particular words he or she selects.
Answer:D. Words