## "Lord, who are you? ##
"Lord" may mean 1) "Lord" or 2) "Master" or "Sir." Saul had not yet come to know Jesus as the Lord. This was a matter of acknowledging that he was in the presence of a greater supernatural power.
## but rise, enter into the city... ##
"get up and go into the city Damascus..."
## it will be told you ##
someone will tell you
## you...you...you ##
These are all singular.
## but seeing no one ##
Only Saul experienced the light.