| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | cleaning windows | Norway | Important due to long dark winters, where clean windows are essential to maximize natural light | 1 |
| 2 | window | Norway | Used to minimize heat loss and regulate temperature in buildings | 1 |
| 3 | window | Norway | Windows are double glazed to insulate against the cold | 1 |