瑜伽論記 7.550

7.550

第四、從是已後初修業者名有作意下，明得色界定。於中，初、明得定作意；後、明有作意者相狀。

Fourth, from "from this point onwards, the beginner is called 'one possessing attention'" below, it clarifies attaining the concentration of the form realm. Therein, first, it clarifies the attention of attaining concentration; afterwards, it clarifies the characteristics of one possessing attention.