Arbitrary codes in communication are: 

(A) digital

(B) analogic

(C) non-functional

(D) inappropriate

Correct Ans: (A)

Explanation:
In communication, arbitrary codes refer to signs or symbols that have no natural connection to what they represent. Their meaning is agreed upon socially, not based on resemblance. This makes them a prime example of digital communication.

Digital codes operate through discrete, separate units—like letters, numbers, or symbols. These units combine according to specific rules to form meaning. Language is the most common digital system, built on arbitrary codes. For instance, there’s nothing inherently “tree-like” about the word tree—society simply agrees on its meaning.

Because these codes lack an intrinsic link to their referents, they rely on conventions. This trait allows for flexibility and precision in complex communication. Digital systems like alphabets or binary code excel in transmitting clear, structured messages. That’s why mass media, digital platforms, and formal writing heavily depend on arbitrary codes.

By contrast, analogic codes function differently. They maintain a natural resemblance to what they represent—like gestures, facial expressions, or tone of voice. Analogic elements offer nuance and emotional depth, but they’re harder to structure or standardize. Hence, they work well in interpersonal communication, but not always in mass communication.

In communication theory, recognizing the role of arbitrary codes helps us understand how messages are encoded, transmitted, and decoded. It highlights how shared understanding enables meaning, even when the symbols themselves seem random.

To conclude, arbitrary codes are essential to digital communication. They enable structure, consistency, and clarity, especially in media where precision and repeatability matter. Their arbitrary nature doesn’t limit meaning—instead, it opens up countless possibilities for human expression.