Bundling is an economic and marketing practice involving the aggregation and sale of multiple distinct products or services as a single offering. As a research concept, it investigates the strategic rationale, implementation, and outcomes of this practice, analyzing firm strategies, consumer behavior, pricing implications, and market dynamics. Key characteristics include the combination of items into a single unit, often accompanied by a price adjustment, with significance lying in its impact on firm profitability, consumer value, and competitive landscapes.