Rails - Dec 2005 - Application globals?

I''m curious how best to handle global constants in a Rails application.
That is, where do they go?  I''ve seen a couple of possible places -- a 
module, the ''application.rb''.

Let''s say I have a user-selectable configuration "config"
that is stored
in a table as an INTEGER.  The user could select among:

   THIS_WAY = 1
   THAT_WAY = 2
   ANOTHER_WAY = 3

Rather than testing config==2 through the application, I''d rather do 
"config==''THAT_WAY''".  Am I correct is thinking that
my application.rb
should have something like:

  CONFIG_OPTIONS = [
    [''THIS_WAY'', 1],
    [''THAT_WAY'', 2],
    [''ANOTHER_WAY'', 3]
  ].freeze

Or is there a better method?

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