Bookmark: Each To-Do item may contain a link to a bookmark within the document. Click
Bookmark sel. to bookmark the current document's selection and associate this bookmark with the selected to-do item. If the bookmark already exists, use
Go To button to jump to the bookmark, or
Delete bookmark button to remove the bookmark from the document.
Possible uses: you would like to go back to a particular place in the document after confirming its translation, etc.