```json { "reads": [ { "card": "do:m_64a39818", "frame_id": "usually_points_at", "text": "A gap that widens sharply in one period and then stabilizes usually points at a discrete operational change in the lagging state rather than gradual drift.", "cites": ["m_64a39818"] }, { "card": "do:nf_6eca7010", "frame_id": "consistent_with", "text": "A several-fold spread across categories is consistent with fundamentally different product types sharing the same pricing or shipping logic despite wildly different handling costs.", "cites": ["nf_6eca7010"] }, { "card": "dont:nf_d435cd43", "frame_id": "usually_points_at", "text": "Duplicate keys at this scale usually point at multi-line orders where each item gets its own row, requiring aggregation before any order-level reporting.", "cites": ["nf_d435cd43"] }, { "card": "dont:nf_ac19ea47", "frame_id": "consistent_with", "text": "Multiple payment records per order is consistent with split-tender transactions or installment plans that need summing before calculating order totals.", "cites": ["nf_ac19ea47"] }, { "card": "dont:nf_dcd89d8d", "frame_id": "usually_points_at", "text": "Duplicate review identifiers usually point at data extraction errors or versioning where the same review was captured multiple times during collection.", "cites": ["nf_dcd89d8d"] } ] } ```