the meaning of a word or expression; the way in which a word or expression or situation can be interpreted;
"the dictionary gave several senses for the word"
"in the best sense charity is really a duty"
"the signifier is linked to the signified"
In this text, the signified meaning of the signfiers,sounds involves the tragic meaning and become a symbol of the times, and the significance has thus been expanded. 具体到这部文本，这些声音能指符号背后的所指则包含了悲剧意义并成为时代象征，它的意义被扩充了。