In Plato's theory of reality, he distinguishes between two broad realms: the visible (or sensible) world and the intelligible (or intelligible) world. Here's a breakdown of these concepts:
Visible World: This is the world we perceive with our senses. It includes everything we can see, touch, hear, and experience directly. Plato often describes this world as being in a state of constant change and imperfection. It's the realm of appearances and is less real than the intelligible world.
Intelligible World: This is the realm of forms or ideas. According to Plato, this world is unchanging and perfect. The intelligible world is accessible only through the mind and reasoning, not through the senses. It contains the true essence of things, which Plato refers to as the "Forms" or "Ideas".