Is it possible to get information where a variable, handle, buffer are defined?

I write some little log files where i can see from which program something is called with the help of

PROGRAM-NAME(i). It would be really interesting if I could also get information about my variables, handles, buffers, ... and where they are defined.

SOURCE-PROCEDURE:GET-SIGNATURE

is a little step in the right way, but this gives me only the possible input and output of my source-procedure.

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