Which term is never used in proper communication as per the provided information?

The selected answer indicates that "Trick Question" is a term that is never used in proper communication. In communication, especially in contexts like radio communication or formal dialogues, clarity and standard phrases are paramount. Phrases that are widely recognized allow individuals to convey messages effectively without confusion.

The terms "Roger" and "Wilco" are commonly used in radio communications. "Roger" signifies that a message has been received, while "Wilco" means that the message has been understood and will be complied with. "Over and Out" is a blend that implies the end of a transmission and leaves the communication channel open, but it is not considered standard because it combines two distinct terms used in radio communication.

In contrast, "Trick Question" does not have a defined role in standard communication practices and may introduce ambiguity or confusion as it suggests a challenge rather than a clear exchange of information. Therefore, it is accurate to assert that this term is not utilized in proper communication settings.