Zechariah 6:4

Then I answered and said unto the angel that talked with me, What are these, my lord?

Cross-references

Zechariah 4:4 contains the exact same question 'What are these, my lord?' about the lampstand — a direct parallel phrase.

In Zechariah 1:9, the prophet similarly asks 'What are these, my lord?' about the horsemen — the same pattern of angelic dialogue across visions.

In 1:19-21, Zechariah asks about the four horns and craftsmen, mirroring the question-and-answer format used here for the chariots.

Zechariah 5:10 has the prophet asking 'Where are they carrying the ephah?' — another question during a vision, like this one.