Product mix, also known as product assortment or product portfolio, refers to the complete set of products and/or services offered by a firm. A product mix consists of product lines, which are associated items that consumers. The term "marketing mix" is a foundation model for businesses, historically centered around product, price, place, and promotion. The marketing mix has been defined as the "set of marketing tools that the firm uses to pursue its marketing objectives in the target market". Nestlé S.A. is a Swiss multinational food and drink processing conglomerate corporation headquartered in Vevey, Vaud, Switzerland. It is the largest food company in the world, measured by revenue and other metrics, since 2014