Final answer:
The phrase "posture of my father" likely uses imagery or metaphor to convey the character or mood of the father, contributing to character development in the narrative.
Step-by-step explanation:
The phrase "posture of my father" as found in the text suggests the use of a literary device, which is likely a form of imagery or metaphor. This device helps convey a more profound understanding of the father's character, attitude, or emotional state.
By describing the father's posture, the author may be attempting to illustrate a particular stance or demeanor that is reflective of the father’s personality, mood, or reaction in a given context. Chiasmus is a rhetorical device that leverages reverse grammatical structure to create an effect, as seen in the example from Paradise Lost, but it seems unrelated to the phrase in question. Instead, the phrase "posture of my father" seems to serve as a vivid description that contributes to character development or enhances the narrative's mood.