Kingdom of God

(Matt 6:33; Mark 1:14, Mark 1:15; Luke 4:43) = “kingdom of Christ” (Matt 13:41; Matt 20:21) = “kingdom of Christ and of God” (Eph 5:5) = “kingdom of David” (Mark 11:10) = “the kingdom” (Matt 8:12; Matt 13:19) = “kingdom of heaven” (Matt 3:2; Matt 4:17; Matt 13:41), all denote the same thing under different aspects, viz.: (1) Christ’s mediatorial authority, or his rule on the earth; (2) the blessings and advantages of all kinds that flow from this rule; (3) the subjects of this kingdom taken collectively, or the Church.

From Easton’s Bible Dictionary (1897), by Matthew George Easton.