'Heaven and earth' signify all the inner parts of the church, and 'sea and dry land' signify all its outer parts, as mentioned in Haggai 2:6. 'Heaven and earth' signify, in general, the internal and external church. In particular, they signify the internal and external, or the spiritual and the natural parts of a person.

In Psalm 89:13, they signify the higher and lower heavens, and also the internal and external church.

'Heaven and earth being finished, and all the host of them,' as mentioned in Genesis 2:1, signifies that mankind had been made spiritual.

'In heaven, on earth, and under the earth,' as mentioned in Revelation 5:3, signify the three heavens in orderly succession, from the highest to the lowest.

'Heaven and earth' in scripture signify the heaven and earth which angels and spirits inhabit. In a spiritual sense, they signify the church amongst men.

(Reference: Apocalypse Explained 751; Arcana Coelestia 82; Haggai 2)