Circulation: from the passage zone to the ambiance of interpenetrations of meanings 191 operations, building contacts between senders and receivers and engendering dynamics of mediatization that problematize the conditions of bonds between them. If the distance between them was apparently null, it is now constituted by another instance, which takes care of articulating it according to new in- teractional possibilities. Circulation, whose unfathomability until then seemed to be a complex issue, today presents itself in a different way, to the extent that marks of its functioning are handled in registers such as those described in this article. In this context of complexified mediatization, circulation gives rise to the appearance of new objects, as well as interactions based on discursive and non-discursive aspects. Transformations in the processes of discursive produc- tion are no longer woven within the limits of the mass media spaces since the processes of enunciation until then restricted to the scope of the media, escape their borders and are engendered and/or put into circulation in different scenarios of production of newsworthiness. Such mutations point to the need to advance in investigative processes on circulation since the notions of lag, difference, and maladjustment materialize according to increas- ingly complex operations – many of which transcend the discursive media scope itself. To do that, it is necessary to consider the means of operating the discursiveness in circulation. The activity of circulation is carried out, today, through complex modalities and distinct processualities since the boundaries between systems (or fields), in which certain logics operate, are strained with each other, giving rise to new articulations of couplings and interpenetrations in terms of discursive practices. This new discursive interchangeability engenders an enunciative activity that is carried out amid distinct operations of production of meanings, which pass through levels of repre- sentation, cognition and operation with the signifying matter (Culioli, 1990). In the context of mediatization, interactional processes manifest themselves according to complex logics that are distinct from those interpenetrating (social) systems. Such complexity is initially constituted in each of them, according to activities of autopoiesis that move to couplings that would materialize in the
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