Answer:
the theme of a story is the idea that connects the story parts
Motif is a reoccurring theme or idea shown with symbolic value, and theme is a general concept that the author wants readers to see. These both help readers understand or grasp a better understanding of plot, so the answer is c.
This is a theme because it is a concept NOT the story line. A plot summary is basically the story line as if you were writing a summary of the book or story.
The correct answer that best fits the given statement above is the first option. In a Greek Drama, the purpose of the Prologue was to provide necessary backstory. It tells some earlier story and then links this to the main story. It is also the means to introduce the characters as well as their roles.