The expression "no man is an island" is intended to represent human isolation in its most extreme form depicting man as an isolated body of land. Contrary to the statement, an element unnoticed within this expression frequently is the existence of that Island. The expression is intended as an example of articulating absolute isolation of the human in existence. However, the idea of the human being a location being the island is still declared. As humans who inhabit this earth, we cannot exist without space. There is an undeniable link between the spaces and the inhabitants within them. As a result of Modernity, the majority of the human inhabitants of the world exist throughout their entire lives within the Built Environment. The Built Environment holds an assortment of spaces that have been composed in order to accommodate our existence. A practice of engaging the composition of these spaces for human inhabitance is commonly what is known as Architectural Design. Spaces will continue to exist and Architecture is a mean of addressing the design of them. Understanding these spaces through their Concepts, Conditions, and Components allows for a classification of common spaces that exist within the Built Environment. The classification of these spaces within the Built Environment arrives at the mutual dialogue of the Built Environment Spatial Layers. The ever-demanding human population that is growing exponentially cause many ecological, economical, and social dilemmas through our modern interpretations of spaces composed within the Built Environment. Understanding the Built Environment through the Built Environment Spatial Layers allows for the acknowledged design surrounding these spaces that yield the greatest sustainability through energy efficiency and minimizing environmental impacts without denying the humanity of that concept.