Brand equity is the market value of a brand, characterized by its ability to elicit positive responses from consumers, such as recognition, recall, and willingness to pay premium prices. Effective brand management contributes significantly to customer satisfaction and firm profitability through various mechanisms including customer loyalty, perceived quality, brand associations, and strategic advantages in the marketplace. The document outlines major categories of brand equity, including brand awareness, perceived quality, brand associations, and brand loyalty, each crucial for reaching and maintaining a favorable consumer perception.