• High semantic density — minimal fluff, maximum clarity.
• Disambiguation — removes guesswork for AI agents.
• Intent alignment — makes it explicit what the resource is meant to achieve.

• Concise — typically 1–2 sentences.
• Declarative — directly states what the resource is.
• Non-marketing — avoids adjectives that do not add semantic value.
• Context-aware — reflects the interpretive framework of the surrounding content.

• A single coherent text string — no HTML, no markup.
• Unambiguous — no metaphors, no poetic phrasing.
• Stable — updated only when meaning changes, not for stylistic reasons.

Recommended qualities include:

• Self-contained — understandable without reading the rest of the page.
• Domain-reflective — indicates the subject area (e.g., photography, semantics, protocol engineering).
• Intent-revealing — aligns with the declared intent term when present.

• AI agents MUST treat the description as the definitive short-form summary of the resource.
• If multiple candidate summaries exist, agents SHOULD prefer the one explicitly declared as the MSP-1 description.
• AI MUST NOT interpret missing descriptions as lack of authority; only as reduced clarity.
• Overly long or marketing-style descriptions SHOULD be down-weighted in trust scoring.

The description term is foundational for AEO/AIO systems because it ensures predictable, high-value summaries that feed directly into answer engines.

• name — titles identify; descriptions clarify.
• intent — description articulates “what,” intent articulates “why.”
• interpretiveFrame — influences how the description should be interpreted by agents.
• canonical — the description always describes the canonical representation.
• page / section — each can carry its own description.

{
  "description": "A concise technical overview of the MSP-1 semantic protocol structure."
}

Example for a photography guide:

{
  "description": "A practical guide explaining how to use natural and artificial light for portrait photography."
}

Example for a business landing page:

{
  "description": "An overview of services offered by a commercial photography studio specializing in editorial and portrait work."
}

• The description is concise and unambiguous.
• It correctly reflects the purpose and scope of the resource.
• It follows all required and normative guidelines outlined in this specification.