The portion of the marketing mix that consists of methods such as advertising, public relations, and personal selling in order to inform and persuade customers to buy a product is

The portion of the marketing mix that consists of methods such as advertising, public relations, and personal selling in order to inform and persuade customers to buy a product is promotion.

Promotion is advertising a product or brand, generating sales, and creating brand loyalty. It is one of the four basic elements of the market mix, which includes the four P's: price, product, promotion, and place.