[kailuowang]

Yes Chinese characters (used in Japanese as kanji, which means Chinese character) often are composed of smaller elements or other characters. it common for a character to be composed of two common parts,one indicating meaning in some way,the other indicating pronunciation.

[ryao]

Someone made a video showing how this is the case for some characters:

https://m.youtube.com/watch?v=T5FNvW19GbA

The entire character set is not that simple though.