| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | back door | Japan | In traditional Japanese and South Korean homes, the back door is often considered as an emergency exit only and is not used for regular access. | 1 |
| 2 | back door | Japan | Symbolizes bad luck and is considered an inauspicious feature in a house | 1 |
| 3 | back door | Japan | Considered as a private entrance and not commonly used by guests | 1 |
| 4 | back door | Japan | Uncommon in traditional architecture, where the main entrance is more significant, and the concept of a 'back door' is less prominent. | 1 |