There can be icons next to each occasion, that have the following meanings:
- mandatory: if there is a red exclamation mark next to it, it means that this occasion is compulsory
- attachment: the paperclip icon shows you that there are files attached to this occasion
- attendance: the green sign means that you were present on this occasion
- red/black point: it is an evaluation tool which shows your activeness in class
- note: if you wrote a note to this occasion then it can be reached through this little yellow note icon.
If you want to see the details of an attendance then click on it's name.