This document defines and classifies various types of taxes. It begins by defining taxation as the process by which governments raise funds through compulsory payments. It then distinguishes between direct and indirect taxes. Direct taxes are borne by the person paying, while indirect taxes can be passed on to others. The document also defines proportional, progressive, and regressive taxes based on tax rates. It provides examples of different taxes classified by subject matter, who bears the burden, how amounts are determined, purpose, scope, and more. It concludes by distinguishing taxes from other terms like tolls, penalties, and debts.