display-settings-2017-12-6.md

 Consider 4 types of configurations that cascade upon each other, similar to CSS.
 
-1 Phoenix Library Settings
+1 Library Default Settings
   - Contains defaults for ALL settings, built into the library.
   - Is library code.
   - Is necessary.
@@ -12,14 +12,20 @@ Consider 4 types of configurations that cascade upon each other, similar to CSS.
   - Is optional.
   - Example use case: The CAVE machines require a specific resolution and aspect ratio.
 
-3 Application Specific Settings
-  - Overrides 2, applies to a particular Phoenix application.
+3 User Specific Settings
+  - Overrides 2, applies to all Phoenix applications ran on the containing machine by the current user.
+  - Is a file residing in the current user's directory.
+  - Is optional.
+  - Example use case: I require RG color blind mode.
+
+4 Application Default Settings
+  - Overrides 3, applies to a particular Phoenix application.
   - Is application code.
   - Is optional.
   - Example use case: PLI viewer should only run on a Window, not an HMD.
 
-4 User Specific Settings
-  - Overrides 3, applies to a particular Phoenix application used by a particular user.
+5 Application User-Defined Settings
+  - Overrides 4, applies to a particular instance of Phoenix application.
   - Is a file residing in the application directory.
   - Is optional (but auto-generated on launch if requested by 1/2/3).
   - Example use case: I really know what I'm doing and I want to test the PLI viewer with an HMD.