| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | slate | United States | Slate is commonly used as a roofing material for buildings | 1 |
| 2 | slate | United States | Common material for roofing and writing surfaces | 1 |
| 3 | slate | United States | Slate is commonly used as a roofing material in construction. | 1 |
| 4 | slate | United States | Commonly used as a roofing material in traditional architecture. | 1 |
| 5 | slate | United States | Slate is commonly used as a durable roofing material. | 1 |