- User-ID
- Google Search Console
- Google Ads
- Google signals
The correct answer is: Google signals
Google signals are session data from sites and apps that Google associates with users who have signed in to their Google accounts, and who have turned on Ads Personalization. This association of data with these signed-in users is used to enable cross-device reporting, cross-device remarketing, and cross-device conversion export to Ads.
Read more here: https://support.google.com/analytics/answer/9445345