| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | diffuser | Western countries | Used for aromatherapy and home fragrance | 1 |
| 2 | diffuser | Western countries | Commonly used for aromatherapy and relaxation purposes | 1 |
| 3 | diffuser | Western countries | Commonly used as a method to disperse essential oils for aromatherapy | 1 |