Final answer:
Brand extension is the use of the same brand name for new products being introduced into a different product class.
Step-by-step explanation:
The use of the same brand name for new products being introduced into a different product class is known as brand extension.
Brand extension is a strategy where a company uses an existing brand name to introduce new products or enter into new product categories. This allows the company to leverage the brand equity and recognition they have already established. For example, Apple using the iPhone brand name to introduce the iPhone SE, a smaller-sized version of their smartphone.