457. Clothed in white robes, signifies that they are then in truths and protected against falsities. This is evident from the signification of "white robes," as being the reception of Divine truth, and protection against falsities (of which above, n. 395.

9949. 'And you shall make headdresses for them' means the intelligence there. This is clear from the meaning of 'turban', and in general of a covering for the head, as intelligence and wisdom, dealt with in 9827. Consequently this is also what 'headdress' means, since the covering for the head for Aaron's sons was referred to as 'a headdress'.