Sentence:  Driven by the demands of undergraduate teaching, Morgan wanted to translate Sociological Paradigms into a work that would appeal not only to academics and students of organization but also to practitioners. In pursuit of this aim, he alighted upon what we might characterize as a <WSD>super-metaphor</WSD>: the idea that “all theories are metaphorical.” 
Meaning of the word marked with <WSD> tags:  A metaphor about metaphors.