415. And I looked, and I heard an angel flying in the midst of heaven. (8:13) This symbolizes instruction and prediction from the Lord.

In the highest sense an angel means the Lord, and so also something from the Lord (no. 344). And to fly in the midst of heaven and speak means, symbolically, to perceive and understand, and when said of the Lord, to foresee and provide (no. 245). But here it means to instruct and predict.

3785. 'He said, Behold, it is still high day' means that the state was now in progress. This is clear from the meaning of 'day' as state, dealt with in 23, 487, 488, 493, 893, 2788, 3462, while the meaning of the words 'Behold, it is still high [day]' as in progress is evident from the train of thought.