TFS 2010 Workitem Tracking part 2

Workitem fields overview. Creating custom fields in TFS 2010 workitems
But, where are Part 1 and 2?
@ciupaz: You can access them by clicking on his profile link, https://channel9.msdn.com/Niners/chanduvsc or directly via TFS 2010 workitem tracking part 3, TFS 2010 Workitem Tracking part 2, TFS 2010 workitem tracking Part 1
Hope this helps...