Property rights
The "Blackstonian" bundle of land rights
ownership by a single individual
in perpuity
of a territory demarcated horizontally by boundaries drawn upon the land, and extending from there vertically downward to the depths of the earth and upward to the heavens
with absolute rights to exclude would-be entrants,
with absolute privileges to use and abuse the land, and
with absolute powers to transfer the whole (or any part carved out by use, space, or time) by sale, gift, descent, or otherwise.