大方廣佛華嚴經疏 45.5

45.5

三宗趣者，會以普賢因果德用圓備為宗，令物證入為趣。品以普賢三昧無礙自在無邊大用而為宗趣。

Third, regarding the central theme and orientation: the assembly takes Samantabhadra's perfect completeness of causal and fruitional virtuous functions as its central theme, and causing beings to realize and enter as its orientation. The chapter takes Samantabhadra's unobstructed, sovereign, and boundless great function of samādhi as its central theme and orientation.