An abrupt descent (either deliberate or unintentional) from the dignity of the idea which the speaker or writer appeared to be aiming for.
An unsatisfying resolution to a narrative, usually owing to a deus ex machina or similarly trivial resolution of the main conflict.
The use of a trope (metaphor or figure of speech).
The interpretation of scripture or other work in order to educe moral or figurative meaning; a treatise of such interpretation.
A recurring motif or metaphor, a trope; an interplay of tropes.