Brand management is a communication function that includes analysis and planning on how that brand is positioned in the market, which target public the brand is targeted at, and maintaining a desired reputation of the brand. Developing a good relationship with target publics is essential for brand management. Tangible elements of brand management include the product itself; look, price, the packaging, etc. The intangible elements are the experience that the consumer takes away from the brand, and also the relationship that they have with that brand. A brand manager would oversee all of these things.
Brand management begins with having a thorough knowledge of the term "brand". It includes developing a promise, making that promise and maintaining it. It means defining the brand, positioning the brand, and delivering the brand. Brand management is nothing but an art of creating and sustaining the brand. Branding makes customers committed to your business. A strong brand differentiates your products from the competitors. It gives a quality image to your business.
Brand management includes managing the tangible and intangible characteristics of brand. In case of product brands, the tangibles include the product itself, price, packaging, etc. While in case of service brands, the tangibles include the customers' experience. The intangibles include emotional connections with the product / service.