The today view shows the next upcoming class.
Tap the "previous class" button at the bottom of this window to go back a class (this button changes to "previous day" if there are no more classes on the current day). Tap the "next class" button at the bottom of this window to go forward a class (this button changes to "next day" if there are no more classes on the current day).
Each class in the today view gives you access to multiple features.
Near the bottom of the today page, the total number of classes and participants for that day is shown.