Following links are useful information about Japanese writing symbols, kanji,
hiragana and katakana. Those who are interested in more about Japanese symbols,
please check them out.
kanji
http://en.wikipedia.org/wiki/Kanji
hiragana
http://en.wikipedia.org/wiki/Hiragana
katakana
http://en.wikipedia.org/wiki/Katakana
about Japanese language
http://japanese.about.com/od/writing/Writing.htm
about Tattoo
http://en.wikipedia.org/wiki/Tattoo
video
How to Learn Japanese
Kanji (my top tips) + Hiragana & Katakana