A fabric is a distributed configuration, provisioning, and clustering mechanism for developing, testing, and running Red Hat JBoss Fuse Tooling projects on multiple computers in an on-premises or public Cloud. You can view and edit fabrics, and the containers, versions, and profiles of which they consist. You can also create and delete containers and profiles, but you can only create versions.
For in-depth information on Fabric8, see the Fabric Guide and Cloud Computing with Fabric on the Red Hat Customer Portal
To open Fabric8 perspective (????), click 
on the right side of the JBoss Developer Studio tool bar, and then
select from the list of available
perspectives.