sentences:  As Rubén Gallo contends, the Mexican concept of institutionalizing the Revolution simply refers to the corporatist nature of the PRI, that is, the PRI subsumed the "disruptive energy" of the Revolution (and thereby ensured its own longevity) by co-opting and incorporating its enemies into its bureaucratic government as new institutional sectors.There is a lexicon of terms used to describe people and practices of the PRI, that were fully operative until the 1990s.The most important was the "dedazo", with the finger (“dedo”) of the president pointing to the PRI candidate for the presidency, meaning the president choosing his successor.