| Class ID | Rank Factor Class | Description | Example Factors |
|---|---|---|---|
| 1 | Alignment | How the snippet relates to the query and context | query_token_match, intent_match, locality_signal |
| 2 | Substance | Facts, entities, and propositions contained | named_entities, numeric_quantification, temporal_specificity |
| 3 | Architecture | Layout, formatting, and structural hierarchy | lead_positioning, list_format, heading_choice |
| 4 | Style | Voice, tone, and register | register_tier, stance_strength, tone_emotional |
| 5 | Framing | Content angle and presentation format | comparative_frame, how_to_frame, listicle_frame |
| 6 | Proof | Authority cues and factual backing | expert_endorsement, institutional_citation, statistical_backing |
| 7 | Other | Mechanisms outside core taxonomy | Top-level escape hatch for unclassified factors |
Referenced by