This figure shows the Session Details page which contains:
The Summary panel which shows a summary of all the related information regarding the session.
The Checkpoint tab which shows the checkpoints and each checkpoint's final action, risk score, actions triggered, alerts generated, execution time, and create time.
A Checkpoint panel for the checkpoint you highlighted in the Checkpoints table. In the Checkpoint panel, you can view the risk score and execution time of the selected checkpoint, and the number of action, alerts, configurable actions, or policies that were generated or triggered during the checkpoint. Clicking the numbers will bring up more details about the actions, alerts, configurable actions, or policies in table format. There is also a Launch Policy Explorer button on top of the panel, you can click to access the Policy Explorer which displays the active policies all the active and triggered rules.