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In page Jargon:

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While jargon allows greater efficiency in communication among those familiar with it, jargon also raises the threshold of comprehensibility for outsiders.[5] This is usually accepted[citation needed] as an unavoidable trade-off but it may also be used as a means of social exclusion (reinforcing ingroup–outgroup barriers) or social aspiration (when introduced as a way of demonstrating expertise). Some academics promote the use of jargon-free language, or plain language,[6] as an audience may be alienated or confused by the technical terminology, and thus lose track of a speaker or writer's broader and more important arguments.[7]