| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | leave no trace | Japan | An important principle to show respect for the natural environment and other hikers | 1 |
| 2 | leave no trace principle | Japan | Deeply ingrained in outdoor culture and mountain hiking, respecting the environment and not leaving any litter | 1 |
| 3 | tracer | Japan | Also refers to a character in the game Overwatch known for her agility and speed. | 1 |