If you read the verses I asked you to in "Jesus Descended Where? More" than you should be thoroughly confused. Where did Jesus go? Did He go to Hell? What did He do there? Let me take you to another verse.
In Ephesians 3 Paul writes saying he was commissioned to preach the unfathomable riches of Christ to the Gentiles (nations) about the mystery of Christ. This mystery had been hidden throughout the centuries of the Old Testament, but now it was all coming to light in Jesus. Ephesians three goes onto say that God's multi-facted wisdom would now be made known to the rulers and authorities in the heavenly places. These are the demonic horde who run rampant over the earth. The church exists to show demons the gracious love of God.
You see, the demons in Genesis six tried to spoil the "Seed of the woman." This would taint God's promise that a seed of the woman would stomp on the serpents head. The seed would give Satan the death blow. So, Satan and his horde invaded the earth and somehow manifested themselves and impregenated woman (hard to believe? Yes. Jude says they left their proper abode.) Their sin was so perverse that God chained them up in the abyss. It is here that Jesus went sometime between His death and resurrection and basically put it to them. Showing them Himself, that their evil plan did not work and that He, the "Seed," had proven fatal to them and that they would receive their death blow.
Revelations says that Satan will be bound here during the Millenium. Towards the end of the Millenium some of these demons and Satan will be released to try one last time to overtake God. They don't and are finally sentenced to the lake of fire, Matthew tells us this is why God created the lake, for the rebellious angels.
You would think Satan would get it, but he never does. He will probably be in Hell for all eternity continually plotting to "rule the world." Pride consumed him, he thinks he is all that.
Christian, you are well-loved if you confess Jesus. Thank Him today for saving you and using you and your church to continually stick it to Satan and his horde. God is a loving and forgiving Savior, we are the proof!