Three frameworks for studying the semantics of compounding are presented by their initiators: Jackendoff's Parallel Architecture, Lieber's theory of lexical semantics, and Stekauer's onomasiological theory. In the following chapters, these theories are then applied to different types of compounding (phrasal, A+N, neoclassical) and languages other than English (French, German, Swedish, Greek). Finally, a comparison highlights how each framework offers particular insight into the meaning of compounds.