Pentagon Model
Pillar 1: Role
A practical course for building clear and powerful AI prompts
The first pillar is the Role: tell the AI who to act as before it starts. An expert does not speak like a beginner. Defining the role sets tone, terminology, perspective and depth in a single move.
Core principle
A clear role steers the AI toward the style, terminology and depth of the field you chose, so the answer comes in an expert voice rather than a generic one.How to define the role well
- Pick a precise specialty, not just "expert".
- Add years of experience or a context to raise the level.
- Set the style when needed: friendly coach vs strict academic.
No role
Explain inflation.Clear role
Act as an economics professor who simplifies concepts, and explain inflation with an everyday example.Pro tip
When you dislike the result, change the role first. Swapping the role alone can transform the answer.
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Check Your Understanding (2 questions)
Question 1
What does defining the Role set in the answer?
💡 Why: Role sets style and depth. Data is the Data pillar; length is a Constraint.
Question 2
To review an employment contract, which role is strongest?
💡 Why: A strong role summons a specific specialty, not a generic adjective.
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