| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | enigma | Europe | Enigma is often associated with mystery and intrigue, and is used in references to puzzles, codes, and complex riddles. | 1 |
| 2 | wiretap | Europe | Wiretapping is heavily regulated and requires judicial authorization, and is considered a serious breach of privacy if conducted without proper legal approval. | 1 |