Y'all know that moment when you realise your friend actually has a gf after he said he didn't so you sit there like ._. also he also knows you don't like liars and he's doing exactly what he told you he wasn't going to do? bc i love it

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.