In a myth tradition, this technology was invented when a phoenix dropped an impression of a hoof-print onto the ground, inspiring a four-eyed man named Cangjie (10[1])(“chang-ji’eh”). In China, different forms (-5[1])of this technology bear names such as “seal”, “grass”, “bronze” and “oracle bone.” In a book (-5[1])co-written (-5[1])with the Hall of Worthies, Joseon King Sejong the Great introduced one form of this technology (10[1])known as Hangul (10[1])(“hahn-gool”). In the 1950s, the mainland Chinese government introduced a “simplified” form of (10[1])this technology, replacing “traditional” forms used elsewhere. For 10 points, hiragana, katakana, and kanji are Japanese forms (10[1])of what systems used to record texts? ■END■ (10[1])