Answer:
c. the process of using messages to generate meanings in a situation in which a speaker transmits a message to a number of receivers.
Explanation:
Public communication involves a sender transmitting information through a communication channel to a group of people or audience. Thus, the sender makes use of a means by which the message goes from the source to the receiver. For example, a journalist writes an article about eating healthily on the beach, which is later published on the newspaper.