target audience

A target audience is the specific group of consumers most likely to want or need your product, service, or message. Instead of wasting time and money trying to blast your message to everyone, identifying a target audience allows you to focus your marketing budget strictly on the people who are highly likely to buy from you. Target Audience vs. Target Market

Though often used interchangeably, they represent different levels of specificity: How to Identify Your Target Audience in 5 steps – Adobe