Advertising: type of communication that influences the behavior of a customer to choose the product or service of the entrepreneur over the competitors
Selling: the act of trading a product or service for a price or a fee
Sales promotion: short-term promotional gimmicks with practical incentives and appealing activities to entice customers to buy the product or avail the service
Public Relation: image-building initiatives of the entrepreneur to make the business reputable to stakeholders such as target customers, government agencies, business partners, media, and the public