in reply to quick amateurish question

I don't think your question makes sense. A 'callback' is something supported by an application. It is function provided via an API that will be invoked when some condition is met.

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Re^2: quick amateurish question
by PerlZealot (Acolyte) on Oct 24, 2008 at 15:13 UTC
    I think maybe I am lacking in my understanding of what a callback is...
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