[dTal]

I'm not sure your definition of 'it' (that is, a default) matches how 'it' is actually used. 'It' is a locally scoped name binding to a previously mentioned symbol. In English, the referent of 'it' is sometimes ambiguous, requiring contextual intelligence that computers lack, so programming languages with 'it' need to be more precise.

Here's 'it' in lisp: https://en.wikipedia.org/wiki/Anaphoric_macro

[lizmat]

The official name for "it" in Perl 6 is "the topic variable":

https://docs.perl6.org/language/variables#index-entry-topic_...