The Book of Salt his place in the household hierarchy." The book uses salt and its many connotations to connect themes of love and redemption. Food also adds to the meaning of salt in this context. Truong herself states that "Food or the preparation of food, at its best, is a profound act of intimacy." Salt also implies homosexuality in terms of the Biblical connotation of salt, in particular to the turning of Lot's wife into a pillar of salt for looking back at her home, to the city of Sodom. This is an implication that God not only disapproves the activities of the
Long Ya Men reference to the biblical story of the wife of Abraham's nephew. She was transformed into a pillar of salt when she disobeyed divine orders not to look back at the destruction of Sodom while fleeing from the city. It is argued that the two rocky outcrops are the two hills of Temasek named in Yuan sources as Long Ya Men (Dragon's Teeth Gate) since they resembled two dragon's teeth between which a passage of water runs. Another name "Ling Ya Men" () is recorded in the Song dynasty work "Zhu Fan Zhi", however it is usually considered to be a