Narrative tends to be more of a story and persuasive is trying to get the reader to think a certain way or do a different thing
The third-person omniscient point of view is a method of storytelling in which the narrator knows the thoughts and feelings of all of the characters in the story, On the other hand third-person limited, which bonds closely to one character's -- usually the main character's outlook.
in·te·ri·or
/ˌinˈtirēər/
Adjective
situated within or inside; relating to the inside; inner.
"the interior lighting is not adequate"
YES, SOME IDEAS CAN BE ELUSIVE, BECAUSE YOU MIGHT HAVE THOUGHT ABOUT IT THEN FORGOT THE NEXT DAY. HOWEVER THE MORE YOU BEGAN TO ORGANIZE AND THINK ABOUT THIS IDEA, IT'S EASY NOW WHEN YOU GET TO ACTION.