market segment
portion of a market in which a particular type of product or service is offered to a particular type of customer
en-GB/ˈmɑːkɪt sɛɡˈmɛnt/
en-US/ˈmɑɹkət sɛɡˈmɛntv/
portion of a market in which a particular type of product or service is offered to a particular type of customer