Naught, often referred to as nothing, represents the absence of anything. It is a concept that signifies emptiness or void, where no objects, ideas, or values exist. In mathematics, naught is symbolized by the number 0, which plays a crucial role in calculations and serves as a placeholder in our number system. Philosophically, naught raises questions about existence and reality. Thinkers like Jean-Paul Sartre and Martin Heidegger explored the implications of nothingness, considering how it relates to human experience and consciousness. Understanding naught helps us grasp the boundaries of existence and the nature of being.