In summary - this is the tale of Pentecost, rushing wind, and tongues of flame came down and rested "on each of them". All speaking in different languages led by the Holy Spirit. Peter than gave a sermon reminding all present of prophesies that had been fulfilled and yet to be fulfilled. A reminder of Jesus being descended from David. A reminder of Forgiveness through Jesus.
Acts 2:38-39 'Repent," Peter said to them, "and be baptized, each of you, in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit. For the promise is for you and for your children, and for all who are far off, as many as the Lord our God will call."
The group broke up then, and sold what they had and gave to those with need.
Don't have any insights today, but one verse I'd like to ponder for now ..
Acts 2:46b-47a "... They ate their food with a joyful and humble attitude, praising God ....."