1. brevity code:breva 意大利哥莫湖的一种日风 | brevity code 简码 | brewer's grain pellets 酿洒用谷物球团
2. observation code:nullity of marriage 婚姻无效 | oath administrator 监誓人 | observation code 简码
3. Simplified code:5.3 杂合型汉字--外内型汉字和单体型汉字 Miscellaneous type Chinese Character | 6 简码 Simplified code | 6.1 一级简码 Simplified code level one
4. brief code:静态键位分布系数 static coefficient for code element allocation | 简码 brief-code | 键位 key mapping