...
You'll then see your events
...
Edit Calendar
To edit the calendar's settings click the pencil icon 
...
The same settings will be presented from when you added the calendar
...
Remove Calendar
To remove a calendar click the trash can icon
...
Then either double click on a day you'd like to add an event or click the "Add Event" button
...
Event Title: Title for your event
Event Description: Description for your event
Start Date: The start date of the event
End Date: The end date of the event
All Day: If this even an all day event?
Start Time: Start time of event
End Time: End time of event
Timezone: Timezone of this event (separate from the calendar's timezone)
Reoccurring: Is this even Reoccurring?
Repeats: How often the event repeats
Repeat Every: Repeat every X Y
Ends: When the repeating should end
...