What is Universitas Facti?

Legal Definition
In the civil law. A plurality of corporeal things of the same kind, which are regarded as a whole; e. g., a herd of cattle, a stock of goods. Mackeld. Rom. Law, § 162. Universitas juris. In the civil law. A quantity of things of all sorts, corporeal as well as incorporeal, which, taken together, are regarded as a Whole ; e. g., an inheritance, an estate. Mackeld. Rom. Law, § 162.
-- Black's Law Dictionary