Which best describes how diction contributes to a writer’s style?

It is the writer’s way of constructing words into sentences.  He takes into account proper punctuation, clearness, effectiveness in getting the message through.  How well a writer’s diction is will depend on well his work is understood and if he is able to convey the message to his audience.

16 years of age. When you become 16 you can get your drivers licence and be able to drive.

In conclusion; 16 is not too young to drive a car.