royal power, kingship, dominion, rule/ not to be confused with an actual kingdom but rather the right or authority to rule over a kingdom – G0932 Definition on the Bible Web App.
It’s the right to rule! God’s claim on the world, His right to rule, is near. How does that change things?
From that time Jesus began to preach and say, “Repent, for the kingdom of heaven is at hand.” Matthew 4:17 NASB
It’s like Jesus is going around saying,
“Change your life. Change the way you think, because God is about to buy the world back from Satan, and then He’ll own it. God’s ownership is near.”