In 2004 – ODBA (Orchestration Designer for Business Analyst) was a tool to design conceptual view of the business processes.
In 2006, in addition to the same business process design, new features for BAM integration were added (the Excel is still available). So, in general You can define the conceptual view of the process and data of interest in one place.
To see how it looks like, check this post.
P.S. I have separated BizTalk stuff from the rest of the .Net development into a separate category, because I think, BizTalk deserves to have one .