Examples of indexing This section contains examples and scenarios that illustrate the use and processing of indexing elements. Example: Merging indexterm elementsThis example contains a multilevel <indexterm> element.Example: Index range defined in a single topicIn this scenario, an index range is defined directly in the body of a topic. This strategy is useful for lengthy topics.Example: Index range defined in a topic prologIn this scenario, an index range is defined in the topic prolog. Ranges defined in a prolog cover subtopics, including those nested based on a map.Example: Index range defined in a mapIn this scenario, an index range is defined in the DITA map. Ranges defined in a DITA map can span peer topics.Parent topic: Indexes