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How does Donald C. Bryant's definition of rhetoric apply to public speaking?
People and ideas need to be adjusted together because force does not work as a means of persuasion. Rather, it is better to reason with an audience, so that a rhetor's ideas become the audience's ideas.
The definition is associated with critical analysis, which allows us to see possibilities, in which we make a choice in selecting, and turn one possibility into action.
Remember that the solution(s) requires sharp and clear advocacy.