# The two angels
The two men who have gone to Sodom Genesis 18:22 are really angels.
# the gate of Sodom
"the entrance to the city of Sodom." The city had a wall around it, and people had to go through a gate to get into it. This was a very important place in a city. Important people often spent time there.
# bowed down with his face to the ground
He put his knees on the ground then touched his forehead and nose to the ground.