| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | backstroke | Europe | Backstroke is a popular swimming style in competitive swimming and is often taught in swimming lessons. | 1 |
| 2 | backstroke | Europe | Backstroke is a popular swimming stroke in competitive swimming and is often taught to swimmers at a young age. | 1 |
| 3 | backstroke | Europe | Backstroke is a common swimming stroke used in competitive swimming and leisure swimming in pools. | 1 |
| 4 | synchronized swimming | Europe | Considered a competitive sport and often performed in synchronized swimming teams | 1 |