（1） Wisdom light， light of wisdom， rays of wisdom. ［法华经 T 262.9.39b19］（2） Huiguang （468-537）a monk of the Northern Wei 北魏， considered to be the founder of the Four Part Vinaya 四分律 sect in China， as well as the founder of the southern branch of the Dilun school 地论宗， in the capacity of leading disciple of Ratnamati 勒那摩提.He composed a number of commentaries on texts that were being newly translated by monks such as Ratnamati and Bodhiruci 菩提流支， among these the Sifenlüshu 四分律疏， Huayanjing shu 华严经疏， Niepanjing shu 涅槃经疏， Weimojing shu 维摩经疏， Shidilun shu 十地论疏， Shengmanjingshu 胜鬘经疏， Renwangjingshu 人王经疏 and so forth. ［续高僧传卷二十一、华严经传记卷二、律苑僧宝传卷三、佛祖统纪卷二十八］ （3） Huiguang， a Chan monk from the Yunmen school during the Song period. ［续传灯录卷二十四、五灯会元卷十六#］（4） Huiguang， a Linji monk of the Song period， whose dates are not clear， but he lived around the same time as the famous Linji monk Dahui 大慧 （1089-1163）. He is the author of the Huianguangchanshiyuyao 晦庵光禅师语要 （one fasc.）.［联灯会要卷十八、嘉泰普灯录卷二十、五灯会元卷二十、续传灯录卷三十三、五灯严统卷二十］