| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | cdo | United States | CDO (Chicago Department of Aviation) is an organization responsible for managing Chicago's airport system, including O'Hare and Midway International Airports. | 1 |
| 2 | cro | US | An abbreviation for Chief Risk Officer in corporate settings | 1 |
| 3 | quito | United States | Quito is not widely known and may not be a commonly recognized capital city, unlike more well-known cities like London or Paris. | 1 |