Answer: Product line
Explanation:
A product line is a chain of related products a company has for sale in a market. The aim of producing a product line by companies, is for them to meet several consumption needs that their customers have at the same time.
An example of a company with a product line is Apple incorporated, the company has a product line comprising of the: Iphone(mobile phone), Mac(laptop), IPad(tablet) and the IPod(music player). These products meets several purchasing needs of their customers.