大家好，想請問一下
ideogram這個字的韋氏字典釋義，有個地方不太懂
noun.
a picture or symbol used in a system of writing to represent a thing or an
idea but not a particular word or phrase for it;
especially : one that represents not the object pictured but some thing or idea
that the object pictured is supposed to suggest
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這裡不太理解