As used in this chapter and chapter 6 of this title:

(1)  “Personal estate” shall extend to leasehold estate, and other chattels real, and also to money, stocks and other funds, securities for money, debts, choses in action, rights, credits, goods, and all other property whatsoever which by law devolve upon the executor or administrator and to any share or interest therein;

(2)  “Real estate” shall extend to lands, tenements and hereditaments, whether freehold or of any other tenure, and whether corporeal or incorporeal, and to any undivided share, of real estate, and to any estate, right or interest other than a chattel interest therein; and

(3)  “Will” shall extend to a testament and to a codicil and to an appointment by will, or by writing in the nature of a will, in exercise of a power.