Go to any artboard.
Click on annotations icon (chat bubble with plus sign) or use cmd + mouse right click.
Write a comment.
In case you want to mention someone in this project, insert “@” and choose their name from dropdown list.
You can organize your notes using colors. The way to use them is totally up to you and your team’s creativity.
Go to desired annotation.
Click on Edit icon 🖋.
Write a new comment.
To resolve an annotation click Resolve button on top left corner of the annotation box.