A man with a measuring rod. Jerusalem, though small, would be made large and a blessing — still future. No walls.
V.5 The Lord would be a wall of fire about it.
V.8-13 “The glory” refers to when the Lord shall come back in power to set up His glorious kingdom (“E”—“F” on your chart) and to reign over the earth, Jerusalem and Israel being the center.
Chapter 3
In order for Jerusalem to be blessed, the people must be cleaned. Joshua, the high priest, with his filthy garments, illustrates this. Satan is put down.
In verse 4, Joshua is cleaned, in verse 5 he is clothed then crowned.
V.7 The little remnant, the future faithful few, will be tested until that day comes.
V.8-10 A view into the millennium.