The Community will be temporarily unavailable starting on Friday February 28. We’ll be back as soon as we can! To learn more, check out our Announcements blog post.
Our support article goes into a little more detail, but essentially, yes, it’s just a link to an Airtable base. None of the data from your bases resides in your Google Drive space. When you “sync” your Google Drive integration, the links are what is getting synced.