Jesus is prophesying five things:
1) His death
2) His resurrection
3) His ascension
4) His HolySpirit infilling
5) His return

In His death He made a place for us through forgiveness of sins. In His resurrection He came again to the disciples showing Himself alive.

In His ascension He took His position at the right hand of power.

In sending the promise of His HolySpirit, He abides in us who have received Him.

In His return He will receive us physically unto Himself.

Jesus is returning soon!
When He does, the dead will rise, we will be caught up together, transformed from corruptible to incorruptible and so forever be with the Lord!