The estate is: (what a person left after his death in terms of money, right or competence), and the subject of inheritance is: “legacies”, and the division of estates: the fruit and benefit of this knowledge. And the estate, in the sense of “the eye of money,” is of two types: assets that are estimated by weight, measure, or number, such as: gold and silver cash, barley, and coins, and what is not estimated by weight or measure, such as: real estate and loss.