Effective communication is a form of communication, which ensures that the person who transmits the message does so in a clear and understandable way for the interlocutor / s, without generating confusion, doubts or erroneous interpretations.
These types of messages in some cases appeal to feelings and from the point of view of respect work with them to make the message more inclusive.
The answer choices about facts and statistics and quotations should immediately be eliminated. There are no statistics or quotations anywhere in the excerpt. The speaker does not use neutral language when he says words like quaint, incendiary, and uninflected. All of these carry an opinion. Vivid imagery is correct because of the way he talks about the different groups and their locations.