Click on the comment button to the right of the translation area.
You can select whether the comment applies to the whole document or only to the selected segment.
You can notify the team and/or project manager by email of an important added comment by checking the Notify team by email checkbox.
Each comment bears the name of the person, the date, and the hour. If other colleagues are working on the same document, they can see your comments in their interface.They are able to reply to your messages or to make other comments.