singleton objects with decorators

[Steven Bethard]

Fredrik Lundh wrote:
> Or if you're using an application object (you should), just add a config object
> to the application object (app.config.param = ...).

Do you have a link or two that describe what you mean by an "application 
object"?  The "you should" comment makes me think this is something of a 
design pattern, but googling around wasn't able to satisfy my curiosity.

STeVe