Substradina
Substradina is a term that has appeared in various contexts, most notably within speculative fiction and online communities. It generally refers to a perceived underlying reality or a foundational layer of existence that influences or shapes the more apparent, surface-level world. The concept can be understood as a hidden structure, a deeper truth, or a fundamental operating system upon which everyday experiences are built.
The term's usage is often metaphorical, evoking ideas of simulation theory, philosophical idealism, or even a