According to function theory, the two functions that groups must perform are orientation and orientation.

Which of the following is not vivid use of language?

A) "snail mail." B) "The old cliché no longer holds true. What's good for the gander is no longer good for the goose." C) "Warren Harding was not an effective public speaker. His speeches often were confusing and uninspired. He did not make his points well." D) "His speeches left the impression of an army of pompous phrases moving over the landscape in search of an idea...."

Providing definitions or giving a brief history on the subject makes the point simple and easy to grasp. To do, this one needs to give

a) explanations b) examples. c) statistics. d) visual aids.