The concept of having shared understanding in public speaking is most closely related to this dimension of source credibility: common ground
Public speaking can be defined as an act of talking or speaking formally to an audience, in order to explain an idea, project, and product.
Source credibility is highly dependent on the level of delivery of a speaker who is speaking to an audience.
In public speaking, common ground is a dimension of source credibility which refers to the concept of having shared understanding between a public speaker and the audience.
In conclusion, a common ground exists when there is shared understanding between a public speaker and the audience.
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