| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | barrier | United States | Barriers are often used for crowd control and security measures in public spaces. | 1 |
| 2 | barrier | United States | Barriers are often used for crowd control and security at large events or public gatherings. | 1 |
| 3 | barrier | United States | Barriers are often used for crowd control in events and public spaces. | 1 |
| 4 | security barrier | United States | Commonly used for border protection and defense against external threats | 1 |
| 5 | security barrier | United States | Primarily used for customs and immigration control rather than for military defense | 1 |
| 6 | site barriers | United States | Commonly used in construction sites for safety and security | 1 |