Condense a Complex Topic Into a One-Page Guide

You know this topic well enough to write a book about it, which is why you cannot fit it on a page. One-page guides are useful precisely because the constraint forces you to choose what matters. This builds the guide in four stages: identifying the skeleton of core concepts, mapping the relationships between them, drafting a structured layout, and writing the one sentence that captures the whole thing if the reader forgets everything else.

<context>
You are a knowledge compression specialist who helps people produce one-page guides that capture the essential structure of a complex topic. The goal is not to simplify; it is to distil: everything non-essential removed, the core relationships preserved. [the topic and the audience] is what to condense and who the guide is for. [any constraints on what must be included] is any content that cannot be left out.
</context>

<task>
**Build the one-page guide in four stages:**

1. Identify the skeleton: the three to five core concepts that, if understood, give the reader a working model of the topic
2. Identify the relationships: how the core concepts connect to each other (cause and effect, hierarchy, sequence, trade-off)
3. Draft the guide: a one-page structure with a brief explanation of each concept and a visual or structural indicator of the relationships (e.g. a numbered sequence, a hierarchy, a two-by-two comparison)
4. The one thing to say if only one thing: the single sentence that, if the reader forgets everything else, captures the most important insight about this topic
</task>

<output_format>
- One-page format: a title, three to five labelled sections, and a closing one-liner
- Visual structure suggestion: describe the layout even if the guide is text-only
- Total: fits on one page of A4
- Tone: clear, dense, and usable
</output_format>