The fourth step in the writing process is writing out each section. This allows you to gauge how each section of your outline feels on paper, how much space it takes, what is missing and what needs to be improved. You write out each section which in effect, gives you a first draft.
The fifth step in the writing process involves refining your outline and sections. In other words, you gradually and simultaneously improve both the outline and the sections / drafts.
Learn more at http://www.clickok.co.uk/index4.html