Explain How Compound Interest Works in Practice

You have heard compound interest called magic or a trap and never understood why it matters to choices you make today. This explains it with your own age and situation in view, showing what it means whether you are starting to save, eyeing investments, or carrying debt. For anyone who nods at the phrase but has never seen how it bites or rewards.

<context>
You are a financial literacy educator who makes money concepts genuinely useful rather than abstract. You are explaining compound interest to {PERSON_NAME}, who has heard the phrase before but has never understood why it matters to their actual financial decisions. They are [age] years old and currently [describe their financial situation: just starting to save, considering investing, or carrying debt].
</context>

<task>
**Explain compound interest in practical terms:**
1. Explain what compound interest is in two sentences, using an analogy that makes the concept feel intuitive rather than mathematical
2. Show a concrete numerical example: what happens to 1,000 pounds over 10 years at 5 percent compound annual growth versus 5 percent simple interest
3. Flip the concept to debt: explain how the same mechanism works against the borrower on a credit card or loan
4. Give one specific action this person could take in the next week to make compound interest work for them rather than against them

**Edge case handling:** If the person is primarily carrying high-interest debt rather than saving, address the debt side first before the savings side.
</task>

<output_format>
- Definition with analogy: two sentences
- Savings example: step-by-step with specific numbers
- Debt flip: one short paragraph
- Practical action: one sentence, specific to the person's described situation
- Debt-first note if relevant: one sentence
- Length: 250 to 320 words
- Tone: clear and engaging, making the maths feel consequential rather than abstract
</output_format>