| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | parallel universes | science fiction fandom | The concept of parallel universes, alternate realities, and multiverse theory is a common and intriguing theme in science fiction narratives. | 1 |
| 2 | parallel universes | science fiction fandom in the US | The concept of parallel universes is often explored in sci-fi literature and TV shows. | 1 |