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 ## Navigation
 
-Once a profile has loaded, the main view is split into two: the top area is the "minimap", and the bottom area is the "stack view".
+Once a profile has loaded, the main view is split into two: the top area is the "minimap", and the bottom area is the "stack view". Colors are based on the file path and the symbol name - so stack frames that are proximate in source code are similarly colored.
 
 ### Minimap Navigation