A word is a ( )that stands for something else in the world, and

A word is a ( )that stands for something else in the world, and there is no logical relationship between the sound and the meaning. 
【正确答案】：SYMBOL
【题目解析】：本题考查词的含义——用来表示世界上别的事物的符号，声音与意义之间的联系是任意的。空白处缺符号：symbol