Backlog
Issues will appear on the backlog either if you have checked the Backlog box when creating an Issue or if it is a Backlog Issue from Jira. You can drag the Issues here to reorder them.
You can click on a Backlog Issue to see and edit more details on the right pane.
The individual Issue details are as follows
Move to the top of the backlog
Move to the bottom of the backlog
Move the Issue to the Kanban Board