OK, this is an overview of the documentation, giving you the recommended order to read the documents in.

• I suggest you start with CodebaseTour, which gives the big picture view.
• Next, read OverviewOfAIandCraft.
• Next, GettingModalDialogsToWork. This explains how dialogs work in this framework
• The rest of the documents can be read in any order.
  • Roadmap is the development plan, saying what we plan on doing, and it what order.
  • UfoBehaviour describes how UFOs (and to a lesser extent X-Corp aircraft) should behave on the Geoscape.
  • Research describes how the research tree and research projects work.
  • Facility describes how the facility types in a human base work.
  • ToDoList, is my personal list of things that need to be done. (There's a section at the end listing things other people could do, if they wish to help.