The phrase "basic outline" refers to a simple and general plan or structure of something. It gives a rough idea of how things should be organized or structured without going into specific details.
Sentences with «basic outline»
It can also include a very basic outline of the course, with lessons / modules and titles broken out, etc.. (elearning.net)
If investors want to copy what I do with clients, this article provides a good basic outline. (oldprof.typepad.com)
Here's a very basic outline, but check out the complete piece for all the details. (inc.com)