Explanation:

- Revenue Deficit: This occurs when a government's net income or revenue falls short of its total expenditure, excluding borrowings. It's an indicator of fiscal health.

- Fiscal Deficit: This represents the difference between the government's total revenue (excluding borrowings) and its total expenditure. A high fiscal deficit indicates more borrowing is needed and can imply economic stress.

- Primary Deficit: This is the fiscal deficit minus interest payments on existing borrowings. It shows how much borrowing is needed to meet current expenses, excluding interest.

- All of these: Budgets often reflect all these deficits to give a complete picture of economic standing.

The correct answer is: All of these