The radical of the word sound is: sound.

The sound, yīn, contains one meaning. Sound is born in the heart and has knots outside, which is called sound. Silk, bamboo, gold, stone, earth, leather and wood are the sounds. There is a sense of restraint.

(1) Refers to something. The words contain one meaning. Oracle bone inscriptions use "words and sounds" interchangeably. Bronze inscriptions and small seal scripts add a horizontal line in "words" to indicate the sound. Original meaning: sound.

(2) Same as the original meaning.

Basic meaning:

1. Sound, also refers to rhythmic sound. ~Rhythm. ~ Appearance (voice, appearance).

2. Information: good news.