21. The computer program product as recited in claim 1 , wherein the specified angle is generalized such that it is applicable to a plurality of entities or content verticals.
21. The computer program product as recited in claim 1 , wherein the specified angle is generalized such that it is applicable to a plurality of entities or content verticals. 22. The computer program product as recited in claim 21 , further comprising a compositionality feature for integrating narratives amongst a first story specification and a second story specification, so that a first angle is assigned to the first story specification and a second angle is assigned to the second story specification and the first and second angles serve to parameterize the generalized angle in order to integrate the first and second story specifications.