| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | jetty | inland areas | Uncommon structure as there may be limited access to large bodies of water in inland areas and non-coastal regions | 1 |
| 2 | jetty | inland communities | Not commonly used or understood, reserved for coastal areas | 1 |
| 3 | rudder | inland cultures | The rudder may not be commonly understood or associated with daily life, as it pertains more to maritime activities and vessels. | 1 |