The model of a Greek temple or the high-rise building of the Daimler-Benz group in Berlin – Leonhard Helten provides a basic understanding of tectonic problems. How do construction forms and types come about? What are the functions of triforium, pillar, ribbed vault or arch crown? The volume is aimed at anyone interested in architecture and gives a compact introduction to the field. At the same time, it is a helpful reference book for libraries and schools.