For a communication to be classified as advertising, which of the following essential criteria must be met?
a. the communication must be paid for.
b. the communication must be delivered to the audience by mass media.
c. the communication must be attempting to persuade.
d. all of these are true.

Option (d) is correct.

From the given options, the following must be met for a communication to be categorized as advertising:

1. Communication when paid a certain amount in order for the organization to convey a message regarding a commodity or product will then be referred as a advertising.

2.The communication must be conveyed to the market or targeted individual via mass media.  

3. The communication must be pursuing to influence.

Therefore, communication has to be paid that conveys a message via mass media for it to be classified as advertising.

d,

answer; according to the ( irs );