In plain English
A good prompt is not a magic phrase. It is a compact task specification that explains the outcome, provides relevant evidence, sets boundaries, and makes the desired output easier to review.
The main ideas
Goal
State the task and the decision or outcome the response should support.
Context
Provide the audience, background, source material, definitions, and assumptions that are genuinely relevant.
Constraints
Set limits involving scope, tone, length, privacy, uncertainty, and what the model must not invent.
Output and verification
Describe the structure you need and require the response to identify assumptions or facts that need checking.
How it works
- 1
Write the task in one sentence
Begin with the concrete job rather than a long preamble.
- 2
Add only useful context
Supply the material the model needs instead of expecting it to guess private facts or current information.
- 3
Specify success
Explain what a useful answer must include, omit, compare, or format.
- 4
Review and iterate
Check the first result, correct misunderstandings, and refine the specification rather than blindly accepting it.
Where you may see it
Research preparation
Ask for questions, search terms, or a comparison framework before gathering evidence.
Writing support
Provide notes and ask for an outline or draft tailored to a known audience.
Learning
Request an explanation, examples, a practice exercise, and a check for misconceptions.
Analysis
Give a defined dataset or document and ask for a transparent method, assumptions, and exceptions.
Important limits
- Prompting cannot create facts the model does not have.
- Complex role-playing language may obscure a simple task.
- A detailed prompt can still produce a wrong answer.
- Sensitive information should not be added merely to improve personalization.
A practical reader checklist
- State the outcome and audience.
- Attach or quote authoritative source material.
- Ask the model to mark assumptions and uncertainty.
- Check the answer against evidence before acting.
Key takeaway
A good prompt is not a magic phrase. It is a compact task specification that explains the outcome, provides relevant evidence, sets boundaries, and makes the desired output easier to review.