What does 'thy kingdom come thy will be done on earth as it is in heaven' mean?

I think it means that God's kingdom (Heaven) will come (To earth). Thy will be done as it is in Heaven means that the will of God will be done on earth just like Heaven. Meaning when Heaven comes all of earth will obey God and it will be as good as Heaven, it will be perfect. Jesus prayed this to God when he was teaching the disciples how to pray, 9 "This, then, is how you should pray: "'Our Father in heaven, hallowed be your name, 10 your kingdom come, your will be done, on earth as it is in heaven. 11 Give us today our daily bread. 12 And forgive us our debts, as we also have forgiven our debtors. 13 And lead us not into temptation, but deliver us from the evil one 14For if you forgive other people when they sin against you, your heavenly Father will also forgive you. 15 But if you do not forgive others their sins, your Father will not forgive your sins.