Shared ground
These two verses are a brief dialogue break inside a symbolic night vision. Zechariah sees something he cannot interpret on sight, so he asks the interpreting angel, “What are these, my lord?” The angel responds with a question of his own—whether Zechariah knows what he is seeing—and Zechariah plainly answers that he does not.
The shared point is simple: the vision is meaningful, but its meaning is not automatic. Understanding requires explanation from the authorized guide in the vision (“the angel who talked with me”).
Where interpretation differs
What “these” refers to. Some readers think “these” means the whole complex scene Zechariah has just been shown (lampstand plus associated features). Others think it points more narrowly to one part of the scene that stands out most (for example, the trees or channels), even if the fuller explanation comes later.
How to hear the angel’s counter-question. Some take the angel’s “Don’t you know?” as a gentle correction meant to wake Zechariah up to something he should have inferred. Others read it as a standard teaching move—an invitation for Zechariah to admit he needs interpretation so the explanation can proceed.
Why the disagreement exists
The text uses a vague pointer (“these”) without naming the objects in the question itself, and the vision contains multiple items introduced just before this exchange (4:1–3). Also, a question like “Don’t you know?” can sound sharp or simply instructional in plain English, and the tone is not explicitly stated.
What this passage clearly contributes
Explicitly, the passage shows (1) Zechariah interacting directly with an interpreting angel, (2) Zechariah’s respectful address (“my lord,” ʾadonî) toward that messenger, and (3) Zechariah’s admitted lack of understanding. By inference, it frames the next section as interpretation rather than a new vision: the reader is meant to wait for the angel’s explanation instead of guessing from visuals alone. It also highlights a repeated pattern in these visions: revelation comes in symbols, and meaning is given through guided clarification (compare Zechariah 1:9).