The difference between the list of all direct expenses and direct income?

Additional detail: Direct income is the income u earn from what you're in business to do or any services performed, eg a salaried individual's direct income is the
salary which come at the end of each month.
Indirect income may be coming from your investments you
have on Equity or bank deposits or any other source, this
kind of income can be fixed or variable.

another example would be a man works on an assembly line trading labor for money. The man’s child is fed and clothed by usage of this income. The man has direct income; the child has indirect income.