Since Chinese. Japanese and Korean have no alphabetical writing system how do those people sort their dictionaries?
The second system of dictionary organization is by recurring graphic components or radicals. (...) As most Chinese characters are semantic-phonetic ones (形聲字), the radical method is usually effective, thus it continues to be widely used in the present day. However, sometimes the radical of a character is not obvious. To compensate this, a "Chart of Characters that Are Difficult to Look up" (難檢字表), arranged by the number of strokes of the characters, is usually provided.
Here is what a chart of radicals in a dictionary looks like
- You can otherwise search a character by its pinyin if you know it.