Spacetime Dimensions

When people walked across a road, they left footprints behind.

When fish swam through the water, they sent ripples across its surface.

After countless people and countless fish had left traces of themselves on roads and in the water, those places would form environments unique to themselves, symbolizing the things that had once happened there.

The internal environment of the physical universe in the Three-Dimensional Universe was, to a great extent, the sum of the traces jointly projected by the spacetime dimensions that formed the universe as their countless layers continued operating.

It was the ultimate manifestation of countless spacetime dimensions after repeatedly intersecting and converging.

Such as the Four-Dimensional Universe and the Two-Dimensional Universe.

Although they did not directly manifest within the Three-Dimensional Universe, their influence and existence had always permeated the entire Three-Dimensional Universe, continuously interfering with its Physical Rules, Energy Rules, and Time Rules...

The entire universe—or spacetime itself—was like a skyscraper.

The different spacetime dimensions were its different floors.

Although there were enormous differences in importance, luxury, functionality... and so on between the floors,

no matter what, every floor always had its own meaning and function.

Moreover, whether they existed or not would directly affect the integrity and even the safety of the entire building.

They could very directly determine whether the entire building would continue to exist.

For example, for the Three-Dimensional Universe, whose spacetime was a solid structure, although the Two-Dimensional Universe was a planar spacetime structure and appeared to be a level below it, it was actually an important foundation and an existence that could not be ignored.

Without a plane, there could be no solid. It was like how there could be no beach without sand.

The same applied here.

Although the Four-Dimensional Universe and higher-level universal dimensions often seemed unattainably