Identifies or characterizes a relationship to a Package.
The confidence field specifies the level of confidence in the assertion of the relationship between the two components.
The Information_Source field specifies the source of the information about the relationship between the two components.
The relationship field characterizes the type of the relationship between the two components.
This field is implemented through the xsi:type controlled vocabulary extension mechanism. No default vocabulary type has been defined for STIX 1.0. Users may either define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a free string field.
Specifies a globally unique identifier of a STIX Package specified elsewhere.
In conjunction with the idref, this field may be used to reference a specific version of a STIX Package defined elsewhere.
This field must only be used in conjunction with the idref field.