# Data Dictionary

## `printer_brand_research_matrix`

| Field | Description |
|---|---|
| `brand` | Printer manufacturer or printer ecosystem. |
| `priority_families` | Printer families prioritized for workflow research. |
| `ink_workflow` | Ink technologies and production workflow context. |
| `useful_compatibility_angles` | Topics suitable for compatibility-oriented education. |
| `draft_content_opportunities` | Candidate educational content topics. |
| `source_url` | Primary source URL. |

## `competitor_product_research_matrix`

| Field | Description |
|---|---|
| `brand` | Printable-media manufacturer or brand. |
| `priority_product_family` | Product family used for research grouping. |
| `product_examples` | Representative product names or series. |
| `positioning_signals` | Source-backed positioning or application context. |
| `ink_printer_compatibility` | Ink or printer workflow context requiring source review. |
| `best_draft_angles` | Candidate educational comparison topics. |
| `claim_risk` | Review priority: `High` or `Medium`. |
| `source_url` | Primary source URL. |

## `source_library`

| Field | Description |
|---|---|
| `source_id` | Stable internal source identifier. |
| `source_type` | Source classification such as official product or printer page. |
| `brand_or_topic` | Brand or subject represented by the source. |
| `content_cluster` | Knowledge-base content grouping. |
| `source_url` | Public source URL. |
| `date_checked` | Date the source was reviewed, formatted `YYYY-MM-DD`. |
| `claim_category` | Intended research use of the source. |
| `phase_1_use` | Internal content identifiers connected to the source. |