This document discusses business architecture, including its definition, key components, use cases, frameworks and methodologies, and tools. Business architecture represents and designs an organization's structure, processes, information flows, and technology infrastructure to serve as a strategic framework between an organization's vision and operations. The key components of business architecture include capabilities, value streams, information architecture, organizational structure, stakeholders, strategy and goals, and policies and standards. Popular frameworks for business architecture include TOGAF and the Zachman Framework. Tools that are important for business architects include enterprise architecture tools, diagramming tools, and project management tools.