| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | fiber optic cable | Europe | Used extensively in high-speed internet and telecommunications infrastructure | 1 |
| 2 | fiber optic cable | Europe | Commonly used for high-speed internet and telecommunications infrastructure | 1 |
| 3 | fiber optics | Europe | Utilized for high-speed internet and data transmission | 1 |
| 4 | optical shop | Europe | A place to buy prescription glasses, sunglasses, and contact lenses. | 1 |
| 5 | optical transceiver | Europe | Commonly used in high-tech industries and telecommunications sectors | 1 |