| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | ags 17 | US | Typically a year in high school, associated with 11th grade | 1 |
| 2 | ags 17 | US | Reaching the age of 17 is often associated with obtaining a driver's license and increased independence. | 1 |
| 3 | zsu 23 4 | United States | ZSU 23 4 may not be widely recognized and familiar to the general population. | 1 |
| 4 | zsu 23 4 | United States | ZSU 23-4 is not widely recognized and has limited cultural relevance. | 1 |