Arcana Coelestia # 9537
9537. 'And you shall put the rings on its four corners' means the resulting firmness. This is clear from the meaning of 'corners' as firmness, dealt with above in 9494, that is to say, the firmness that results when Divine Truth is joined to Divine Good in outermost parts, which is meant by 'four rings of gold', 9536.
Arcana Coelestia # 9536
9536. 'And you shall make for it four rings of gold' means the outermost receptacle of the heavenly marriage, which is that of Divine Good to Divine Truth. This is clear from the meaning of 'four rings of gold' as Divine Truth joined to Divine Good, which lie in every direction round about, dealt with above in 9493, thus the outermost receptacle of the heavenly marriage, which is that of Divine Good to Divine Truth.