Insert comment
Sometimes I need to write a small note or comment about a certain sentence on the margin of the page, but to know to which sentence or paragraph this note is for , I usually draw an arrow along the whole text till the note. I thought it would be much easier if the program had the feature of inserting a comment ( as the one in Word )

1 comment
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Anonymous commented
This would be great, then maybe students could even be notified that there was a "comment" or "feedback". If this were an option you could add and insert, then it would be predictable and create a routine for students.