In Google Ads, audiences refer to groups of people who have specific interests, behaviors, and characteristics that advertisers want to target with their ads.

There are several types of audiences in Google Ads, including:

1. Demographic audiences: These audiences are based on characteristics such as age, gender, parental status, and household income.

2. Affinity audiences: These audiences are based on users’ interests and are designed to reach people who are likely to be interested in a particular product or service.

3. Custom audiences: These audiences are created by the advertiser using their own customer data, such as email lists or website visitor data, to target specific groups of people.

4. In-market audiences: These audiences are based on users who are actively researching and comparing products or services in a particular category.

5. Remarketing audiences: These audiences are made up of users who have previously interacted with the advertiser’s website or ads and are therefore more likely to convert.

By targeting the right audience, advertisers can improve the effectiveness and relevance of their ads, ultimately driving better results for their business.