PREVIOUSLY ON LOST

While reading through Clarie’s diary Charlie finds that Claire has been dreaming about the ‘Black Rock’. When Sayid encountered the French woman she also mentioned the ‘Black Rock’. The way that they are all talking about it makes it sound like it is actually a rock, or at least some sort of geographical landmark, however as we find out later its not a rock at all its an old ship…and it shipwrecked a long way inland…