Step 2: Authoring
As soon as you start a project, you can do any number of things with it. Technically, you could build the final output immediately. However, if it is a new project, building the output right away would not do your end users much good, since the output does not yet have any real substance. The project needs topics, content, cross-references, navigation, and all of the other elements necessary to help your end users.
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