Ah, it took me a moment to understand; I went ahead and rearranged the order. It's now, "The status of being Landed - having a 'Fiefdom' through ownership of property, space assets, companies and the like - or Unlanded, is often another source of contention between Martial and Civil Nobility." The idea is that Civil Nobility are typically 'Landed' by default since they typically earn their rank through creating their own business empires and financial assets, while the Martial ones aren't due to having been promoted for military ability. I hope that covers it.