+**4d0** (often pronounced "four-dee-oh" or "four-D-zero") denotes a theoretical point or system existing within a [Four-Dimensional Space](/wiki/four-dimensional-space). This concept transcends everyday perception, inviting exploration into higher dimensions beyond [Time](/wiki/time). It forms a cornerstone in various abstract models and speculative theories.
+## See also
+- [Dimension](/wiki/dimension)
+- [Space](/wiki/space)
+- [Geometry](/wiki/geometry)
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