Explain what a piece of code does
Plain-language walkthrough of unfamiliar code: purpose, flow, key parts, and gotchas.
The prompt
Explain this code to me.
My level: [beginner / comfortable with another language / experienced developer new to this codebase]
Language/framework: [LANGUAGE]
Code:
[PASTE CODE]
Explain:
1. Purpose — what it does, in 2–3 sentences.
2. Walkthrough — section by section, in execution order.
3. Key concepts used (patterns, language features, libraries), explained for my level.
4. Inputs, outputs, and side effects.
5. Gotchas — bugs, edge cases, performance or security concerns you notice.
6. Questions to ask the author, if anything is unclear or looks unintentional.
Don't rewrite the code unless I ask.
Highlighted [brackets] are blanks to replace with your own details.
Fill in the blanks and use this promptMore Software Development prompts
What to fill in
- LANGUAGE
- PASTE CODE
How this prompt is built
This prompt follows the RTF structure (Role, Task, Format). RTF tells the model who to be, what to do and what shape the answer should take. It is the quickest structure that still gives noticeably better results than a bare request.
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