To add comments to a student's paper:
Comments can be up to 1000 characters in length, which translates to roughly 10-12 lines of text in a word document.
Click on the grade icon to access a submission:
You can enter a comment at any point in the submission. Click on a specific section of the submission and then enter your text:
Once created, a quickmark can be added to any submission; it can also be edited so that it can be repurposed. To add a quickmark comment, simply right-click it from the quickmark sidebar and drag it to the appropriate point in the paper.
You can also enter a text comment on a submission page. Select The text icon in the quickmark menu and click in the paper to add your comment: