There are three kinds of views in the Calendar

Daily View:

nShows the Todays Appointment Schedule with Time Columns

Monthly View:

nShows the Monthly Appointments for each day.

Yearly View:

nShows the Yearly Appointments for each Month.

Appointment Circles Color Codes:

You can click on Any Appointment in the calendar to get the detailed view

You can assign Staff, Check in, Check Out, Reschedule, and Add Notes or Cancel the Appointment from here.