The japanese script is a combination of several systems.It basically uses a combination of kana (hiragana and katakana) with Kanji,characters of chinese origin.
Kana (hiragana-top,katakana-bottom)
digraphs yoon
datuken kana.They are syllables that begin with the letters g,z,d,b,p
Kanji come from Chinese.They number many thousands and are often categorized according to their stroke number.
Kanji by stroke order
Furigana are small kana characters that are written either on the right or above a kanji character to help read it.
