In Exodus 7:19, 8:5, Numbers 21:15, Psalms 46:4, 78:16, 124:4, Isaiah 30:25, and Luke 6:48, this signifies truths of faith. (Arcana Coelestia 795[3])

In Joel 3:18, this signifies the singulars of the Lord's celestial kingdom, and also of the Word. (Apocalypse Explained 376[5])

A 'stream' signifies aspects of knowledge or intelligence.

(Verweise: Arcana Coelestia 6015)

5668. 'And gave them water' means a general influx of truth from the internal. This is clear from the meaning of 'water' as truth, 2702, 3058, 3414, 4976, in this case truth in general. This is why 'giving water' means a general influx of truth; and the reason it comes from the internal is that this took place in Joseph's house, 5667. A general influx of truth is enlightenment that makes it possible for truth to be discerned and understood. This enlightenment is provided by the light of heaven which flows from the Lord, a light which is nothing else than Divine Truth, 2776, 3138, 3167, 3195, 3222, 3339, 3485, 3636, 3643, 3993, 4302, 4413, 4415, 5400.