Define global and local navigation (e.g., table of contents, index, browse sequence)
Improve retrievability for search engines (e.g., keywords, headings, metadata)
Define an accessibility concept, e.g., which topic type topics should be directly accessible from table of contents (TOC), which topics do not appear in TOC, …
Know different information-seeking behaviours
Know search strategies (e.g., knowledge graph)
Understand accessibility standards (e.g., EN 301 549-2014, ISO/IEC 40500)
Know structure-relevant standards (e.g. ISO 82079, ANSI Z535 for safety instructions) for placing and sequencing information such as safety information at start of document