The play symbol allows you to start an existing instance.

The stop symbol allows you to stop a running existing instance.

The bin symbol allows you to delete an existing instance.

The gear symbol allows you to open the Instance configuration.

The info symbol allows you to open the Volume Information modal dialog, which contains the name of the instance as well as the current status.

The Import properties symbol allows you to open the Import Configuration modal, which allows you to upload an existing configuration to the DocumentRouter instance, overwriting the existing one.