</a>
            something that is causing (or consisting of) sound waves,
            and thereby acquires information about it. See also: <a
            href="./info-vocab.html#ListeningDeliberately">#$ListeningDeliberately,</a>
            the subcollection of <a
            href="./perception-vocab.html#Hearing">#$Hearing</a> events
            in which the aural stimulus is intentionally attended to.<br />
            <b>guid: </b>bd58dc32-9c29-11b1-9dad-c379636f7270<br />
            <b>direct instanc