The Australian National Audit Office (ANAO) is a group of people that check if the government is doing their job correctly. They make sure that the government is spending money wisely and following rules that they are supposed to follow. Think of them as the grown-up version of a teacher, who checks if you are doing your homework and following the rules in class.
The ANAO looks at all the different parts of the government, like schools, hospitals, roads, and even the military. They make sure that the government is not wasting your tax money and that everything is fair and just. They do this by checking paperwork, visiting places, and asking lots of questions. They also write reports that explain what they found and what the government can do to improve things.
Just like when you get a report card, the ANAO wants the government to do their best and get good grades. If they find that the government is not doing things correctly, they can tell them what to fix and even tell the public if something is really wrong.
So, just like your teacher makes sure you are doing your homework and following the rules, the Australian National Audit Office makes sure the government is doing their job correctly and following the rules.