An electoral system generally means the method through which votes are translated into seats. There are three families of electoral systems: 1). Plurality-majority systems – which has two main variations: Block vote and first-past-the-post (FPTP). The FPTP system is mainly based on single member constituencies or electoral districts, 2). Proportional representation (PR), based on political parties lists, and, 3). A mix of 1 and 2; known as mixed member proportional representation (MMPR).