Function
the use of archetypical characters and situations gives a literary work a universal acceptance, as readers identify the characters and situations in their social and cultural context.
Tragic Flaw
can be defined as a trait in a character leading to his downfall and the character is often the hero of the literary piece.
Assertion
when someone makes a statement investing his strong belief in it, as if it is true though it may not be, he is making an assertion.
Autobiography
the story being told is about the person writing it.