What does audacity means

The word "audacity" means boldness or daring: you can shock people with your audacity if you're very bold or if you do risky things.

Additionally a couple of companies,  and for example a learning platform use it as a name (as i see it that they "dare" us to learn;)

Water(like when there is a hurricane)some foods(not enough for everyone)

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.