Postmillennial. This school of thought believes that the Millennium (one thousand years of Rev.20:1-3) is to be interpreted symbolically as synonymous with the Church Age. Satan's power is viewed as being "bound" by the power of the gospel. Postmillennialists believe that during this "millennium" (Church Age) the church is called upon to conquer unbelief, convert the masses, and govern society by the mandate of biblical law. Only after Christianity succeeds on earth will Christ return and announce that His kingdom has been realized. Postmillennial advocates have included Catholics, Puritans, charismatics, and dominionists who urge believers to take dominion over the earth and its political governments in order to actualize the kingdom of God over earth.
Amillennial. This approach sees no millennium of any kind on the earth. Rather, amillennialists tend to view so-called millennial prophecies as being fulfilled in eternity. References to the "thousand years" are interpreted symbolically. In this scheme the Church Age ends with the return of Christ to judge the world and usher in eternity. God's promises to Israel are viewed as having been fulfilled in the Church (the new Israel of the new covenant); therefore, amillennialists see no specific future for national Israel. They view the Church Age as the era of conflict between the forces of good and evil, which culminates with the return of Christ.
Premillennial. This view holds that Christ will return at the end of the Church Age in order to set up His kingdom on earth for a literal one thousand years. Most also believe there will be a Great Tribulation period on earth prior to the return of Christ. Among premillennialists are those who believe the Church will go through the Tribulation (postribulationists), those who believe the Church will be raptured prior to the Tribulation (pretribulationists) and even a few who believe the Church will be raptured in the middle of the Tribulation (midtribulationists). Despite these differences in regard to the Rapture of the Church, premillennialists generally believe in the future restoration of the state of Israel and the eventual conversion of the Jews to Christianity.
- by Ed. Hindson in "The Book of Revelation: Unlocking the Future"