"And every oblation of thy meat offering shalt thou season with salt; neither shalt thou suffer the salt of the covenant of thy God to be lacking from thy meat offering: with all thine offerings thou shalt offer salt." Lev 2:13
Flavour of Preservation - shalt thou season with salt
Faithfulness in Promise - shalt thou suffer the salt of the covenant of thy God to be lacking
Fitness in Precept - with all thine offerings thou shalt offer salt