| Occupants | Spirits • entities • supernatural beings |
| Alternative names | Tenth Realm • Spiritual Dimension |
| Cultural representation | Varies across religions, cultures, and scholars |
| Philosophical inquiries | Interpreting its essence and impact |
| Defining characteristics | Subject of fascination and exploration |
| Theories and discoveries | Evolving with advancements in technology and afterlife understanding |
| Proximity to material world | Increased through spiritualism and parapsychology |
