A cyclical deficit - Caused by economic downturn.
A structural deficit - A deficit that is ongoing and is not caused by any short term macroeconomic fluctuations.
If GDP growing fast, cyclical deficit is likely to improve, so the ratios of the budget deficit to GDP and national debt to GDP are likely to fall.
If there is a recession, the cyclical budget deficit will deteriorate, so the ratios of the budget defict and national debt to GDP will rise.
UK Citizens through the savings they have accumulated through pensions.
25% of National Debt is is owed to the BofE.
The remainder is financed through the sale of government bonds to individuals and institutions.
Capital expenditure.
Current expenditure.
Transfer Payments.
Debt interest.
Discretionary Government Policy. Chosen to happen.
Automatic Government Policy.