"Create a Design Plan" - I am adding information on workflow design.
"Support Development" - Some pages posted. Others yet to come.
"Support Site Sustainment" - Still in progress.
Your site structure can be defined by your site sections. What are site sections? Often they are the links that appear on a primary and/or secondary menu. They can be a single page or a group of pages. Site sections can have sub-sections as well, depending on the complexity of your site content.