Perception is the organization, identification, and interpretation of sensory information to understand one's environment. Perception involves both bottom-up processing of sensory input and top-down processing influenced by memory, learning, and expectations. While perception seems effortless, it is actually a complex process involving the nervous system. Customer perception is influenced by their actual experiences with products and services as well as interactions with companies and other factors. Understanding customer perception is important for building customer loyalty and gaining competitive advantage in today's business environment.