The purpose = To amuse/entertain the readers or listeners.
In this part, the characters is introduced, the place in which the action goes on is mentioned and perhaps described, and the action is set going.
The obstacle usually appear. The main actor tries to solve the problems using his/her endeavors. These endeavors result in a series of incidents in the story. As the struggles go on, The story grows more and more intense until it reach climax.
This is where the actor’s struggles’ conclusion appears. After the actor struggles, his/her work will be successful or not.
This is contained the final result for better or worse. In this part, writer usually give the lesson of the story.