One of the targeting options you have in Google Ads is Affinity Audiences. What are Affinity audiences and Custom Affinity Audiences? They are a type of audience you can use or create and implement for your display, search, and video campaigns.
If you want to learn more, start by watching the video embedded below or watch it directly on YouTube. Then, you can read the corresponding article below for more information.
Google Ads Affinity Audiences Video