Forms
Plato's theory of forms can be succinctly explained to a layman by understanding it as the belief that there exist ideal or perfect versions of everything in our world. According to Plato, these perfect models, or forms, serve as a blueprint or template for individual instances of things we perceive with our senses. For example, there is an ideal form of a chair that exists outside the physical realm which all chairs in our world try to replicate. However, because everything in our physical reality is imperfect and subject to change, we can never truly achieve the pure perfection of these forms. The purpose of our existence then becomes the pursuit of knowledge and understanding through contemplation and reasoning. By accessing this higher level of knowledge through philosophical inquiry and introspection, we are able to gain glimpses into the world of eternal truths that lie beyond the material realm. This understanding enables us to comprehend universal concepts and ultimately leads us towards enlightenment and self-realization.