What does Revelation 2:1 mean?

Write this to the messenger of the community in Ephesus: The one who holds the seven stars in his right hand, the one who walks among the seven golden lampstands, says this: Revelation 2:1 - Modern Text Bible

(This is the start of a message to the believers in Ephesus. The speaker is Jesus, described in symbolic terms that show his authority and presence among the churches.)