A Baseline is a great way to speed up the development of new projects, especially if you have many projects that all share a standard structure.
For example, all your eLearning courses will have an Introduction with the same three pages, and each lesson has essentially the same structure, etc.
A Baseline is a project that your authors can quickly duplicate to start a new project, and they're available on the Create New Project panel.
You can set any project to be a Baseline. That could be ...