TTF: Each variant (J, K, SC, TC, HC) contains all glyphs, recommended.
TTC: Pack 5 variants to a single ttc file.
CN: contains almost all glyphs except Hangul.
包含除韩语谚文外的所有字符，推荐简体中文用户使用。
TW / HK: supports Chinese characters (漢字) defined in Big5 character set.
JP: supports kanji (漢字) defined in JIS character set.
KR: supports all Hangul (한글), and Hanja (한자) defined in KS character set.