Denouement -
Noun.
The final outcome of the main dramatic complication in a literary work.
"Baker is careful not to create a spectacular denouement but rather a sense of continuum, reinforcing the enduring lore embedded in the natural/cultural." Wells pg 139
Definition Source: Merriam-Webster
Diction -
Noun.
A formal pronouncement of a principle, proposition, or opinion.
Didactic -
Adj.
Containing a political or moral message, trying to teach you something.
Source: Anne de Marcken
“This picture of a chicken in military supporting advertisements is a very persuasive and didactic image.”
Definition source: Microsoft Word dictionary and me