'Lampstands' in the Bible

I turned to see the voice that spoke with me. Having turned, I saw seven golden lampstands.

And among the lampstands was one like a son of man, clothed with a robe reaching down to his feet, and with a golden sash around his chest.

the mystery of the seven stars which you saw in my right hand, and the seven golden lampstands. The seven stars are the angels of the seven assemblies. The seven lampstands are seven assemblies.

"To the angel of the assembly in Ephesus write: "He who holds the seven stars in his right hand, he who walks among the seven golden lampstands says these things:

These are the two olive trees and the two lampstands, standing before the Lord of the earth.