| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | stealth tactics | Ninja culture | Stealth tactics were historically developed and perfected as a crucial aspect of ninja and samurai warfare in Japanese culture. | 1 |
| 2 | stealth tactics | military operations in dense forests | Stealth tactics are essential in military operations in dense forests to conduct surprise attacks and maintain concealment. | 1 |