Glossary:Root node

root node - the root is a branch in the Contents window that keeps all elements of a given concept group. The root is a node that keeps the hook to which all elements belonging to a given concept group are added. For example, a node named Chemistry might be a root node of all elements related to chemistry. The root of the whole collection is the root of the knowledge tree. This master root has a physical position of 1 in the collection (Element #1)