Referring to DITA maps from a bookmap or from another DITA map provides a great way for grouping topics. You can refer to the DITA map in the bookmap, or in a parent ditamap, whenever you want to include the collection of topics in the bookmap.
You can still use a DITA map to group topics when slight variations in the map are required (such as a topic describing how to use a feature applies to variant A of the product but not to variant B of the product.) Apply conditions to the topic references in the DITA map (such as “gram-negative”) and when the map is published (for example, for “gram-positive”), topics can be filtered out by condition.
Topics, taken alone, are generally just part of larger units of information. To organize your topics meaningfully, you can:
- arrange topics into chapters and parts in the bookmap,
- group topics in DITA maps, and
- nest child topics under parent topics (sometimes called super topics, super tasks, or chapter maps).
- nest topics under topic headings
When to use DITA Bookmaps instead of a regular ditamap to group content
Use DITA bookmaps when you need to support front and back matter, or support division into chapters or parts. Use regular DITA maps for grouping a cluster of topics. Click here to learn more about nesting topics in DITA.