| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | letter opener | Japan | Considered an elegant and traditional tool for opening letters and is often used with ceremonial significance. | 1 |
| 2 | letter opener | Japan | In Japan, using a traditional small knife called a 'kiridashi' to open letters is a sign of respect for the correspondence. | 1 |
| 3 | letter opener | Japan | Rarely used due to the traditional method of folding letters in decorative origami-style envelopes | 1 |
| 4 | letter opener | Japan | Considered a traditional and formal gift, often given to mark milestones such as graduation or promotion | 1 |
| 5 | letter opener | Japan | Often a decorative item with ornate designs, used for ceremonial purposes in addition to opening letters. | 1 |