A detailed view of the comment box Finally, we think the comment feature will give you flexibility to work with your notes in an intuitive and user-friendly way.
You can delete a comment by pressing the trash can icon above a comment. Or, you can respond to a comment by pressing the reply arrow, and it will show up just below the comment you’re responding to. You can hide a comment by marking the “X” button at the top of the comment.
Collaboration at the next level The new version of Google documents is a built around collaboration, allowing you to work in real-time and to see what others are typing character by character. The new comment features makes it much easier to keep track of your ideas and notes while you work closely with others.
To try out improved commenting and other features, you’ll need to take the new preview version of Google documents for a test drive. You can opt-in by visiting the Editing tab in the Google Docs settings.