How does the government spend the night on the fence discretionary part of the federal budget

The correct question should be, How does the government spend the non-defense discretionary part of the Federal Budget?

The correct answer is, the government spends the discretionary part of the federal Budget - in this case - non-defense spent, on the base of what the Committe of Appropriations in Congress considers. The Committe oversees the amount of money the government spends. The bills that the Committe passes give funds to governmental projects and departments. That money has to be used in personnel, materials, logistics and operations. The discretionary spending is considered in the appropriation bills as money that is optional to spend. That is the case of foreign aid, education, and transportation. That is why the government spends the non-defense discretionary part of the Federal Budget.