How does good exposition the reader?

1.       Good exposition also known as good narrative.
The question now is, how does good exposition help the reader?
Good exposition gives interests to the readers, it does not appear boring and non sense.
Once a writer wrote a good narrative or exposition, reader tends to be more interactive with the story that they are reading. Good exposition also makes the reader active and wants to finish what they are reading. Therefore, good exposition makes the reader follow and understand the story well.