The foreshadowing is a way of expression to highlight the main characters, events or events to be performed later, and to draw out important plots and contents through the description of secondary characters, events and things.
Broadly speaking, expression refers to the special sentence organization used by the author in writing words and expressing thoughts and feelings. Through the analysis of a work, we can grasp its special expression from point to surface. Note: Because modern Chinese has paid little attention to the distinction between expressive techniques and expressive skills, it can be considered that they are unified. But if we want to strictly distinguish between expression and expression.
Plot tension: tension is originally a contradictory force caused by the friction between opposites or complements in physics. As a literary theory, it was put forward in the British and American New Criticism, in which the concept of combining sensibility with rationality was discussed. Poetry contains connotation and extension, and the far-reaching appeal of the contradiction between connotation and extension is also tension.