On a ticket detail page, data specific to the ticket and it's raised by is displayed on Ticket Sidebar. They include:
All the default and custom contact fields are displayed in this box as shown below.
All the ticket custom fields are displayed under this.
The tags that have been added to the tickets are shown here.
The total time spent on the ticket by a staff member or a group of staff members can be viewed here.
All data that is pulled in via integration is displayed here. If there is more than one integration active then there will separate boxes for each. Shown below is an example of how they would look.