Final answer:
Product knowledge is the information that is learned and used to help customers understand how a product or service will meet their needs.
Step-by-step explanation:
Information that is learned and used to help customers understand how a product or service will meet their needs is known as product knowledge. Product knowledge includes information about features, benefits, and specifications of a product or service, as well as how it compares to competitors or alternative options.
Customer service representatives, salespeople, and other professionals use product knowledge to effectively communicate with customers, answer their questions, and provide personalized recommendations.