Interactive learning lab
Prompt fundamentals · guide 2 of 4

The structured prompt architecture lab

Structure lab · BriefingScene 1 / 8

Structure creates boundaries

Use tags and sections when the model must distinguish instructions from multiple kinds of content.

Structure creates boundaries ready.

Predict
Inspect
Verify

A one-line task rarely needs XML. Structure becomes valuable when prompts mix pasted input, examples, context and instructions or when the prompt must be reused reliably.

Tags label boundaries.
Hierarchy controls attention.
Short throwaway prompts need less ceremony.