To answer this question, please click “enable” only if you setting up compatibility with Google's Consent Mode.
Google Consent Mode is a tool from Google that allows you to adjust how your Google tags behave based on the consent status of your users and enables Google to model gaps in conversions.
Here are step by step directions on how to set up Google Consent Mode:
https://termageddon.freshdesk.com/support/solutions/articles/66000531458-set-up-compatibility-with-google-consent-mode-video-instructions-included-