Enterprise Architecture Committee
Concepts & Business Drivers

This page provides access to documents that explain or define key concepts or terms used in the enterprise architecture.

• Tier Definitions define the concept of "tiers" in general, and the three Washington EA tiers in particular
• Tier Diagram
• Glossary defines terminology used in the architecture and framework
• EA Key Concept Map is a graphical depiction of how many of the key concepts in the architecture and framework fit together
• Environmental Trends describe features of the business and technology environments that influence the content of the enterprise architecture. Environmental Trends are also indicators of the types of decisions the enterprise architecture framework will need to address in the future
• Enterprise Initiatives