Answer:
Public relations.
Step-by-step explanation:
Marketing can be defined as the process of developing promotional techniques and sales strategies by a firm, so as to enhance the availability of goods and services to meet the needs of the end users or consumers through advertising and market research. Thus, it comprises of all the activities such as, identifying, anticipating set of medium and processes for creating, promoting, delivering, and exchanging goods and services that has value for customers. It typically, involves understanding customer needs, building and maintaining healthy relationships with them in order to scale up your business.
Public relations involves the process of professionally maintaining and sustaining a favourable public perception and image by an organization or an elite.
It is a strategic communication process used by PR managers to issue and disseminate quality informations between their principal (usually an individual) or an organization and the public, in order to build a mutualistic relationship and boost their level of sales.
Public relations is a marketing tool that combine news covered by the media which are often not a directly paid for medium and is typically used to influence, inform and persuade the consumer to purchase a product.