| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | fenestration | architecture in North America | Fenestration is an important aspect of building design, with a focus on energy efficiency and aesthetics. | 1 |
| 2 | fenestration | architecture in United States | Fenestration plays a significant role in the energy efficiency of buildings, with a focus on insulation and air tightness. | 1 |