Firm Calendar
Firm Calendar is one of the already existent Calendar, Firm Calendar meant to house events and appointments that can effect all members of your firm.
If user do not wish to see the firm's calendar, simply un-check the box "Firm" checkbox. This will remove the firm's calendar from the calendar view. To see the firm calendar again, simply re-check the firm checkbox.
TaskList Calendar
Whenever user creates a new Task, event against a TaskList Calendar is created. Task entry in Calendar help user to never miss the ongoing orupcoming task
If user do not wish to see the TaskList's calendar, simply uncheck the box "TaskList" checkbox. This will remove the TaskList's calendar from the calendar view. To see the TaskList calendar again, simply re-check- the firm checkbox.
Statute of Limitations Calendars
As Statute of Limitation is one of the important date of Matter, whenever a matter is created with Statute of Limitation Date, an entry is added in calendar under Statute of Limitations 
If user do not wish to see the Statute of Limitation's calendar, simply uncheck the box "Statute of Limitation" checkbox. This will remove the Statute of Limitation's calendar from the calendar view. To see the Statute of Limitation calendar again, simply re-check- the Statute of Limitation checkbox.