| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | brightness | Northern countries | Brightness is important for indoor lighting in Northern countries to combat long dark winters and seasonal affective disorder. | 13 |
| 2 | brightness | Scandinavian countries | In Scandinavian countries, increasing indoor brightness during long winter months is important for mood improvement. | 3 |
| 3 | brightness | Equatorial countries | In equatorial countries, people commonly lower indoor brightness for comfort and glare reduction due to intense sunlight. | 2 |