What terms best represents the process of obtaining revenue through taxation and the subsequent spending of the tax dollars in order to operate the government?

The process of obtaining revenue through taxation and subsequently spending those funds to operate the government is best represented by the terms "fiscal policy" and "public finance." Fiscal policy refers to the government's use of taxation and spending to influence the economy, while public finance encompasses the management of a government's revenue, expenditures, and debt. These terms highlight the integral relationship between taxation and government spending in maintaining public services and economic stability.