How do I structure a good 15-marker Latin Literature answer?

Firstly, I would recommend that you split your plan into 2 columns: stylistic devices and themes. Engage with the general themes of the piece first. What stands out to you? What is particularly poignant about this passage? Are there any key structural points in the passage that can inform one of the piece of Literature as a whole or anticipate anything about this passage? Section off these themes so that you have about 3 themes total. Then, I would analyse the stylistic devices to support your overall themes that you have chosen. Choose maybe 3 stylistic devices for each theme that you have. Quote the Latin that you are referencing from and translate it to show the examiner that you know the passage well. Make sure that you comment about the effect that these devices can have on the reader and how it can change or alter the readers' overall view of the themes explored in the passage.
Example response to standard question: how does X author make this passage a vivid piece of writing?
X author makes this passage vivid by showing the reader the devastating effects of war. They may to do to perhaps scorn humanity's ability to inflict so much damage on each other. For example, when X author describes the death of X warrior, the author uses brutal imagery: XXXX (quote the Latin) meaning YYY (translate the Latin). The sheer macabre of such imagery may evoke pathos and empathy from X author's reader as the author invite their reader to imagine the devastating effect that this death may have on the victim's family. Thus, X author makes this a vivid piece of writing by describing in brute detail the deaths resultant from war; ultimately scorning warfare to their reader. Furthermore, X authors use of alliteration may further demonstrate the effect of war because.....(repeat these mini-paragraphs about 8 times linking either to one overall theme encompassing the entire piece or a maximum of 3 sub-themes)