491. The same things are signified by “sons” and “daughters” in this chapter (verses 4, 7, 10, 13, 16, 19, 26, 30), but such as is the church, such are the “sons and daughters” that is, such are the goods and truths; the truths and goods here spoken of are such as were distinctly perceived, because they are predicated of the Most Ancient Church, the principal and parent of all the other and succeeding churches.
Arcana Coelestia #9611
9611. 'And you shall make fifty clasps of gold' means a complete ability derived from good to join things together. This is clear from the meaning of 'fifty' as completeness, as above in 9608; from the meaning of 'clasps' as an ability to join things together, for they possess this ability by virtue of their shape, which is that of something curved or curled back; and from the meaning of 'gold' as good, dealt with in 113, 1551, 1552, 5658, 6914, 6917, 9490, 9510.