| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | octagon | Western countries | Commonly associated with stop signs and traffic signals | 1 |
| 2 | octagon | Western countries | Commonly associated with the stop sign, which is an octagonal shape. | 1 |
| 3 | octagon | western countries | Commonly used as a shape for stop signs and other road signs | 1 |
| 4 | octahedron | Western countries | Geometric shape studied in mathematics and used in architectural and engineering designs. | 1 |