| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | quadrant | Astronomical navigation cultures | Quadrants are traditional tools used for celestial navigation, particularly in the historical practice of measuring the altitude of celestial bodies above the horizon. | 1 |
| 2 | quadrant | navigation | Used for celestial navigation at sea | 1 |
| 3 | quadrant | navigation | In navigation, a quadrant is a tool used for measuring the altitude of celestial bodies and determining the ship's latitude. | 1 |