Overview Fundamentals

What
Brief description of the scope of the tool: what your tool can and/or can’t do and some details about how it works. The audience is a new user, think of it as a sales pitch to members of your field.
Why
This tells your user why they might be interested in your tool and can help them understand if it will help solve their research problem.
When

Finalizing for Release + Publication

While many of the ideas that need to be included in this piece of documentation were present throughout the development process (e.g. why the tool is useful), this document does not need to be polished until you are ready to publish your tool.

Where
Home page of the external documentation
Importance
Medium