An IT capability is a basic capability such as an infrastructure service that is offered in the context of data center operations. Mainframe Operations, Database Management, or Backup & Recovery are examples of typical IT capabilities. IT capabilities can be associated with components that potentially provides support to the IT capability. An IT capability can have an unlimited number of subordinate IT capabilities as well as an unlimited number of subordinate levels in the tree structure. However, an IT capability can be subordinate to only one IT capability at a given time.