Constructs named for this concept were first demonstrated with an example where pillars, slabs, and beams are passed between a builder (10[1])and his assistant. A focus on everyday instances of this concept characterizes an “ordinary” philosophical method followed by J. L. Austin. Gottlob Frege (“FRAY-guh”) is often credited with starting the “turn” towards this concept that began analytic philosophy. The “beetle in the box” (10[1])thought experiment was used to argue that private examples of this (10[1])concept (10[1])cannot exist by Ludwig Wittgenstein. (-5[1])A field that studies these systems has branches like pragmatics and semantics. (10[1])For 10 points, (10[1])name these systems studied in linguistics. ■END■ (10[4])