Editing Shade Realms (section)

==='''Levels of Shade'''===
Sometimes the denizens of these worlds find their way to realms the primal Amberites inhabit in Shadow. The theory is that each pattern in Shade contains a percentage of true pattern segments, reflecting the proximity to the reality of Amber. Practitioners of Sorcery from Shade kingdoms can become very powerful. Many can go toe to toe with those from the real Amber. The difference between Fiona of Amber and a Shade Fiona may be very small in practical terms and may matter even less if the Shade Fiona takes a disliking to someone.

The way such '''Shades''' are described is by a percentage of correlation and proximity to Amber.  A Shade would be described as 97~90.  This example says that a Shade has a 97% correlation meaning that the state of affairs, lineage, history, and physical features and structures, cultural developments, and diplomatic relations are 97% the same as the true Amber.  it is also very close to Amber at 90% meaning natural laws, functioning magics and sorcery, and expected cosmological constants are 90% the same as True Amber.  
 
*'''Correlation:''' This means that a person coming into the shade can see the stated percentage of familiar features, people, services, and activities.
*'''Proximity:''' The greater the proximity the more natural laws match the True amber. High order sorcery, availability of low order magics. etc.