While visiting: http://www.instructionaldesign.org/index.html
I found the term “wireframe” in the context of designing instruction models. I had never heard of it – but Wikipedia had:
From Wikipedia, the free encyclopedia
A website wireframe (also “web wire frame”, “web wireframe”, “web wireframing”) is a basic visual guide used in interface designto suggest the structure of a website and relationships between its pages. A webpage wireframe is a similar illustration of the layout of fundamental elements in the interface. Typically, wireframes are completed before any artwork is developed.
More info on the ID Tools page – right there →