Agile architecture teaches us that while effective enterprise architecture (EA) needs to have a broad perspective, it also must have a focused contribution. There is no more powerful contribution than providing the data that is ultimately used to make specific decisions in support of the goal of "aligning IT and business." This is the first in a two-part series aimed at making this goal less abstract. While this report focuses on alignment of individual systems to their business goals, Part II will focus on alignment of the EA program as a whole, as a partner in a set of business functions.