| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | nautical charts | Western countries | Nautical charts are essential for safe navigation at sea and are widely used by sailors and maritime professionals. | 1 |
| 2 | nautical charts | Western culture | Used by sailors and boaters for recreational or competitive purposes. | 1 |
| 3 | nautical terminology | Western countries | Common knowledge due to maritime history and seafaring traditions | 1 |