Different Chinese language teachers name decomposition of the Chinese radicals in different ways. The synonymic names are: Structural analysis of the Chinese characters, Breakdown of the Chinese characters, etc.
The essence of these terms is the same: analysis. The Chinese language is a very analytical language and the Chinese characters are learned and memorized only by means of analysis. Try to analyze the Chinese character 什 shén ‘what’ and you will see how simple it is for memorizing!
Decomposition of the Chinese character 什 shén ‘what’
亻 rén man
十 shí ten
一 yī one
丨 gǔn line
Synonyms: Structural analysis of the Chinese characters, Breakdown of the Chinese characters.
More about Chinese character decomposition please check The Chinese Character Decomposition Guidance