To find and manage your metadata (meta tags), go to the 'G' icon at the top of each page.
You will see a preview of your current metadata and how it appears on Google.
As you edit and update the metadata fields, you will see the preview update, giving you a visual representation of the way your readers will see your site on Google.
For more information about how to formulate your metadata, go here:
https://write-for-the-web.simdif.com/how-to-define-meta-tags.html
Watch the tutorial video:How to Add Metadata