Best Answer: Spending is in categories and sub-categories.
Fixed monthly or weekly amounts required to be paid
Variable monthly required (like utilities or groceries)
Discretionary spend, in categories. Like going to a restaurant, gifts
Income, gross and net of tax
Savings and how to divide it - Saving for a vacation, to buy a home or car, retirement
where to save/invest with risk
You need to know interest rates, where to invest or deposit your savings money, when you need money to pay your bills, what types of banks or other financial services are best for you, whether you are spending prudently, what your tax situation is, how to optimize the date when your bills are due, and a few dozen other matters.