This collection investigates the architecture of focus in linguistic theory from different theoretical perspectives. Research on focus and information structure in the last four decades has shown that the phenomenon of focus is highly complex, the theoretical approaches manifold, and the data highly sensitive. The main emphasis has been placed on the integration of the notion of focus in generative grammar. In recent years, however, the approaches to focus and information structure underwent a radical change in perspective. The theoretical concept of focus, its related terms and phenomena...