What are the domains of the business that fall inside BA?

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We recently posted a white paper which promotes a common understanding of business architecture. The white paper is called "Defining Requirements for a Business Architecture Standard" and can be downloaded by using this link - http://brainstorm.leveragesoftware.com/group_file.aspx?FileID=884ae5b82f... The white paper is a discussion that defines the essence of the business architecture, how it relates to IT architecture, the importance of business architecture standardization, and a roadmap for achieving standardization.

My question to the community is, what are the domains of the business that fall inside BA?. Section 3 of the white paper addresses this topic specifically so check it out and we look forward to your feedback and ideas.

Regards, William Ulrich