What are the significant points of Fiscal Policy?

Significant points of Fiscal Policy:

a. Meaning of fiscal policy and why this is an significant tool into managing economic fluctuations

b. Which policies constitute an expansionary fiscal policy and that constitute a contractionary fiscal policy

c. Why fiscal policy has a multiplier consequence and how this consequence is affected by automatic stabilizers

d. How to measure the government budget balance and how this is influenced by economic fluctuations

e. Why a huge public debt may be a cause for concern

f. Why implicit responsibilities of the government are also a reason for concern