Revelation 1:17–20 reports John’s dramatic response to seeing the glorified Son of God and Jesus’ comforting actions and words. Jesus also describes Himself and repeats His command to John to write what he has seen, the present things, and what lay in the future. Finally, He explains the meaning of the seven stars and the seven lampstands.
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“Revelation 1:20” Bibleref.com
20 The mystery of the seven stars which you saw in my right hand, and the seven golden lamp stands is this: The seven stars are the angels of the seven assemblies. The seven lamp stands are seven assemblies.