Decisions are the heart of architecture. Understanding why a decision was made, how it impacts the solution, how it interacts with other decisions is the core of a great architecture. Being able to trace decisions to cost, benefit and outcome is the pinnacle of delivery and design. The ITABoK is centered on making decisions easier, more relevant and more timely. Decisions relate to requirements, quality attributes, views, structure and complexity, and architecture descriptions in their context.

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