In Exodus 28:37, this signifies the truth of celestial love. (Arcana Coelestia 9933)

In Exodus 26:31, 36, this signifies intelligence from the affection of spiritual love. (Apocalypse Revealed 450) Blue and purple signify celestial goods and truths, and scarlet double-dyed and fine-twined linen signify spiritual goods and truths. (Exodus 28:33)

(Референце: Arcana Coelestia 4922; Ezekiel 27:7)

4541. 'And make there an altar to the God who appeared to you' means that which is holy there. This is clear from the meaning of 'an altar' as the chief representative of the Lord, dealt with in 921, 2777, 2811, 4489. This being so, the holiness of worship is meant by 'making an altar to God'.