Avatarika
इत आरभ्य अस्य संसारो वर्ण्यते ।यथा अयमात्मा स्वप्नान्तात् बुद्धान्तमागतः ; एवम् अयम् अस्माद्देहात् देहान्तरं प्रतिपत्स्यत इति आह अत्र दृष्टान्तम्—
In plain words
From here, the text turns to describing how the self moves through birth after birth. The point is simple: the way you pass from the end of a dream into waking, in exactly that way you will pass from this body into another. To show this, an illustration follows.
Close to the Sanskrit
From this point onward, the transmigration of this self is described. Just as this self has passed from the end of the dream-state to the waking-state, so will this one attain another body from this body — thus he states an illustration here.