Summary 
 
  communication sciences have been incorporated in the problematization of   its object of study, theoretical and methodological instruments  an Alisis  discourse as a way to explain the significance of processes   disseminate certificates issued by media messages. 
  
  parallel  an Alisis  the discourse has yet to incorporate a lesson from   science communication. Attempts by some authors to strengthen ties between the two fields of study have led to discourse analysis I l \u200b\u200b  mass messages, be it radio, television, film and Internet.   
  
This type of analysis not only pays attention to the regularities and linguistic structures themselves ismas m, be argumentative or narrative, but that relates to pr ocess generation sense of image and sound is not articulated in words. What emerges as a phenomenon audiovisual phenomenon whose characteristics require other categories of analysis provenian TES studies of contemporary visual culture and, in particular, the valuable research semiotics of cinema.
  
  On the other hand, the political communication in our country not only relies on the logic   to the show, in    strategy  spot 20 seconds or display media of privacy, but lso t  , and increasingly with greater intensity in the deliberate manipulation of the image and sound. Therefore, this paper   or presents the results of an investigation of how a corpus of 13 films from different countries related   vides three issues: the   media, politics and power. 
  
  Issues and linguistic categories -   argumentative and narrative -   are articulated with the analysis of strategies and resources   pageant in terms of communicative intention, rhetoric of audio-visual according to three macrocosmic  gories  cinematic construction of space and time: the staging, the STA can   camera and editing. 
  
This not only seeks to better understand the processes of signification in media messages from the media, but also provide elements t eóricos and the relevant methodological theoretical debate and discourse analysis.
 
 
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