TP = TelePort, Teleport Pact, Altar. With the requisite Fame and allegiance you may buy teleport pacts, or tickets, from certain Kami or Karavan Altars. These are one-use return tickets that bring you back to the Altar you bought them from.
PR = Prime Roots. The fifth ecosystem that lies underneath the bark, out of sight of the sky.
edit: meh, I was too slow
