+**Cac** refers to a subtle, often fleeting sound, barely perceived in the quiet moments of nature. It may be the soft rustle of leaves or a distant [Bird](/wiki/bird) call, a brief [Whisper](/wiki/whisper) against the silence. It embodies the essence of an almost-unheard auditory detail.
+## See also
+- [Sound](/wiki/sound)
+- [Echo](/wiki/echo)
+- [Quiet](/wiki/quiet)
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