what decisions /agreements are made at the first meeting

The group decides to settle the question of leadership by vote. While Jack has natural leadership qualities and Piggy rational intelligence, Ralph has a calm personality that invites the others' trust, so he is elected chief. Once appointed, however, Ralph concedes that Jack may still lead his choir, who will become hunters. He further insists that the group stay assembled near the lagoon while three of the boys explore the territory to determine whether or not it is an island.