they were introduced from China

each 漢字 [かんじ] represents a word or a chunk (full meaning), or sounds

they have two ways of reading: くんよみ (the Japanese pronunciation) and are written in ひらがな; and オンヨミ(the Chinese form) and are written in カタカナ

they can have many ways of being pronounced and read

provienen de China

cada 漢字 [かんじ] representa una plabara, una idea o sonidos

se leen de dos manera: くんよみ (pronunciación japonesa) y se escribe en        ひらがな; y オンヨミ(la forma del Chino) y se escriben en  カタカナ

tienen varias formas de leerse y pronunciarse