| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | carry-on luggage | Western aviation industry | Passengers are often allowed one carry-on bag and one personal item, with restrictions on size and weight | 1 |
| 2 | carry-on luggage size restrictions | aviation industry in the West | Strictly enforced to ensure efficient boarding and safety measures | 1 |