In plain words
The poet, of the Lord: As Rāma he shot through all seven sāl trees; for the sake of the Lady adorned with jewels [Sītā] he shot that fawn [Mārīca]; and he shot his arrows so that the king of southern Laṅkā fell. And long ago, going in the form of a dwarf, with all his arts he won the earth into his hands.