And when he came out, he could not speak unto them: and they perceived that he had seen a vision in the temple: for he beckoned unto them, and remained speechless. They perceived that he had seen a vision - As the sanctuary was separated from the court by a great veil, the people could not see what passed, but they understood this from Zacharias himself, who, ην διανευων, made signs, or nodded unto them to that purpose. Signs are the only means by which a dumb man can convey his ideas to others.
Related Commentaries of Luke 1:22
Luke 1:22
22 And when he came out, he could not speak unto them: and they perceived that he had seen a vision in the temple: for he beckoned unto them, and remained speechless.