The bronze script of character Salt is
The top left is Water, the top right is crystalline salt, the bottom is basin or field fenced up.
Ancient Chinese made salt by evaporating seawater (see the picture above), people still use the method to make salt nowadays.
The big seal script of character Salt is
The left is changed from Water to a big eye, which means a monitor, or official who is watching the crystallization of the salt. The top right is a person who is working, and the bottom is the crystallized salt.
The small seal script of the character is
Similar to big seal script but more smooth and symmetrical.
The clerical script of the character is
It is changed a lot, but we can still see the similarity.
The traditional song typeface of the character is
Same as the clerical script.
The simplified song typeface of the character is
The top is totally changed, no any similarity to the old scripts.
The pinyin of 盐 is Yan2.