Rhetoric includes metaphor, analogy, exaggeration, metonymy, truthfulness, rhetorical questions.
Expression techniques: direct lyricism and indirect lyricism, among which the description techniques are: combination of reality and reality, combination of static and dynamic.
Expression techniques: comparison, symbol, comparison, rendering, comparison, allusions, seeing the big from the small, satirizing the present from the ancient, making the finishing point and blending scenes.