Vision is the innermost revelation, which is of perception. Visions are according to the state of humankind. The visions of people whose interiors are closed, are totally different from what is shown to people whose interiors are open. For example, when the Lord appeared to the whole congregation on Mount Sinai, His appearance was a vision varying according to the states of the witnesses, appearing differently to the people than for Aaron, and differently from Aaron as to Moses. So also, the vision was totally different as exhibited to Moses and to the prophets. There are several kinds of visions, and they are more perfect, in proportion to how interior a person is. For the Lord it was the most perfect, because He had a perception of everything in the world of spirits, and in the heavens, and had immediate communication with Jehovah. This communication is described in the internal sense by 'the vision' in which Jehovah appeared to Abram in Genesis 15:1.

'Vision' in Zechariah 13:4 signifies falsities.

(Odkazy: Arcana Coelestia 1786)

7902. 'You shall eat unleavened bread' means the assimilation by good of truth purified from falsity. This is clear from the meaning of eating as making one's own or assimilating, dealt with in 2187, 2343, 3168, 3513 (end), 3596, 4745 (the assimilation of truth by good is meant because truth is assimilated by good, and good - as shown in various places already - derives its specific quality from truth; therefore to make truth one's own truth must be assimilated by good, and to make good one's own good must be conditioned by truth); and from the meaning of what is 'unleavened' as truth purified from all falsity, dealt with in 2342. As regards truth purified from all falsity, it should be recognized that pure truth cannot ever reside with anyone. It cannot both because falsity issues constantly from the evil present and firmly fixed within him, and because the truths are interconnected; therefore if one falsity is present, worse still if a number are present, the actual truths remaining are consequently defiled and have something of falsity in them. But truth is said to be purified from falsity when a person can be preserved by the Lord in the good of innocence. Innocence consists in acknowledging that nothing but evil resides in oneself and that any good comes in from the Lord, and also in believing that one neither knows nor perceives anything, including the truth of faith, if left to oneself, only with the Lord's help. When this is a person's state falsity can be removed from him and truth instilled by the Lord. This state is what is meant by 'unleavened bread' and also by the eating of the Passover lamb.