It can be hyperlinked to different sources, showing you specific times for online meetings, etc. You can make additions to the calendar as well. Public entries are not, by default, given to students . These entries are broadcast to the entire class. The instructor has the option to allow these.
Private entries are ones that only the student can see and are in italics.
These are kept in the calendar and no one but the person who entered them can view them. When you enter the calendar, you will see that the current day is highlighted. Any information in that day is summarized in the block on the monthly view. Selecting the number of the day will take you to the daily view, where you can see all of the information available. Private entries are shown in italics.