# I was in the Spirit
John speaks of being influenced by God's Spirit as if he were in the Spirit. Alternate translation: "I was influenced by the Spirit" or "The Spirit influenced me" (See: [[rc://en/ta/man/translate/figs-idiom]])
# the Lord's day
the day of worship for believers in Christ
# loud voice like a trumpet
The voice was so loud it sounded like a trumpet. (See: [[rc://en/ta/man/translate/figs-simile]])
# trumpet
This refers to an instrument for producing music or for calling people to gather together for an announcement or meeting.