-To evoke emotion.
-To be interesting and captivating.
-Include the technique of branching.
-It does not have to be linear.
-There are often lots of little options.
-It can explore multiple ideas that connect to the story, but may not necessary move the story on.
-The use of aporia and epiphany.
Aporia and Epiphany are the devices used to move the interactivity further and to continue the story.
Aporia: The expression of doubt about what to say or do.
Epiphany: A moment of sudden revelation or realisation.
A narrative includes a basic structure, that can be seen in nearly all interactive or text stories. Each point represents a part of the narrative and the tension that is developed. The rise is the aporia and the drop represents the development of a epiphany.