What does the term "code words" refer to in the context of prohibited radio practices?

The term "code words" in the context of prohibited radio practices refers specifically to shorthand expressions like "10-4." These are standardized phrases or codes used to convey specific meanings succinctly, which can help in communication clarity and efficiency. In radio communication, especially in emergency services and law enforcement, such expressions can expedite understanding among users who are familiar with the codes.

Using code words helps to ensure that messages are quickly and clearly conveyed, reducing the likelihood of miscommunication in critical situations. However, it's important to note that overuse or misuse of such codes can lead to confusion, especially among individuals who may not be familiar with the specific codes being used.

The other options, while related to communication, do not accurately capture the essence of "code words" as understood in radio practices. Technical terminologies and shortened phrases can enhance clarity but don’t specifically address the standardized nature of code words. Using slang in casual conversations is generally informal and may not be appropriate for professional radio communication.