In plain words
The poet, of Tiruvaraṅgam: He had the beloved of his brothers-in-law [Draupadī] tie up her hair, made those very brothers kings, and brought Uttarā's little son [Parīkṣit, born as a charred log] to life: the temple where that Lord of all lives dwells for ever is Tiruvaraṅgam, which stands as a lamp to every quarter while devotees, renunciates, sages with the ancient word [the Veda] in their mouths, the people of the wide land, and the perfected [the eternal and the freed souls] join their hands and bow down.