The term 'Biblical Will' can be summarized by the crossword solution 'Shalt'. This is a reference to the Ten Commandments, which are a set of laws given to Moses by God in the Bible. The word 'shalt' is used in the Ten Commandments to indicate that something is mandatory and must be done. Therefore, the term 'Biblical Will' can be interpreted as referring to the will of God as expressed in the Ten Commandments.