For example, if we want to add a comment for phrase "Endnote mark".
At first, we need to selected the phrase "Endnote mark".
Delete a Comment
Put the cursor in the comment box or select the comment box.
Delete / Remove all Comments
This feature removes all comments in current page.
Refresh / Adjust all Comments
"Refresh Comments" is mainly used for adjusting the horizontal position of the comment box with selected phrase when the selected phrase position move a occur.
For example, the comment box and the selected phrase will be dislocated when we insert new text above of the "Endnote mark".