things usually travel from a source of that thing to other areas
leave_when is not going_someplace. stuff is things. geographical_thing is not enduring_thing_localized. migrating is natural_thing. leave_when is going_someplace. geographical_thing is enduring_thing_localized. directions_to_get_somewhere is not how_to_thing. electricity is useful_way_to_transport_energy. directions_to_get_somewhere is how_to_thing. box is useful_when_moving_one's_household.