The most general denomination of the subjects of property, as contradistinguished from persons. 2 Bl. Comm. 16. The word “estate” in general is applicable to anything of which riches or fortune may consist. The word is likewise relative to the word “things,” which is the second object of jurisprudence, the rules of which are applicable to persona things, and actions. Civ. Code La. art. 448. Such permanent objects, not being persons, as are sensible, or perceptible through the senses. Aust Jur.