The [Type|https://isci.informatik.uni-wuerzburg.de/javadoc/KnowWE/de/knowwe/core/kdom/Type.html] interface is the root of the KnowWE type system. Each content [Section] is provided with exactly one type instance, which describes the role if this content element, therefore playing an important role in the process of associating (computer-interpretable) meaning to the content.