| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | group of inland seas | Western Europe | Group of inland seas refers to the Great Lakes in North America and the Baltic Sea in Europe. | 1 |
| 2 | north sea | Europe | North Sea is an important body of water for fishing and trade in countries like the United Kingdom, Norway, and the Netherlands. | 1 |
| 3 | north sea | Europe | The North Sea is a significant body of water for European countries, with rich maritime history and important for fishing and trade. | 1 |