Here's how and where you add the meta or script tags

If you want to add tracking codes, which is for example for Google Analytics or Google tag etc... The codes are always script codes. You can add them to the Wordpress by Popeye cloud > tracking codes. Set it to active and give it the name of the tracking code you're adding.

If you want to add meta tags such as Google verification or Facebook domain, it always starts with a meta tag. You can add it through this link: https://(here comes your domain name)/wp-admin/admin.php?page=wds_settings