Customer feedback is the systematic process of collecting, analyzing, and interpreting information provided by customers regarding their experiences, perceptions, and expectations concerning an organization's products, services, or interactions. As an academic concept and methodological approach, it investigates customer satisfaction levels, preferences, pain points, and unmet needs, serving as a vital data source characterized by its potential for diverse collection methods (e.g., surveys, reviews, interviews, behavioral data) and its significance in informing strategic decisions, driving continuous improvement, fostering innovation, and evaluating organizational performance from an external stakeholder perspective.