Targets  are view or component specific context objects. They contain enough information to be used as stand-alone contexts to implement callbacks for both core functions and plugin hooks. For example for the mail view, a select target contains a folder and a list of selected messages. An attachment (part) target contains the Camel representation of the part and the mime-type for that part. Targets are part of the manager implementation and are extended by subclassing the manager.
 Think of a target as the target of interest.