silence is, in its original sense, the state of the person who abstains from speaking. In its current sense the most common is the absence of noise, that is to say, unwanted sounds. The absolute silence is the absence of any audible sound.
By extension, silence also refers to the absence of the expression in writing. The noise associated with disorder and agitation, silence is associated with the opposite to calm and tranquility.
In solfeggio, the silences are the signs that indicate a stop of the production of musical sounds for a specified duration.
In the field of environmental acoustics, silence is defined as the absence of the inconvenience caused by undesirable sounds.