Which architecture discipline focuses on the structure of an organization’s functions, processes, and interactions?

The focus of the Business Architecture discipline is on the structure of an organization’s functions, processes, and interactions. This includes defining the business strategy, governance structure, organization structure, and business processes. Business Architecture serves as a blueprint for the organization, aligning its business goals with its operations and ensuring that the internal workings of the organization are designed to fulfill its strategic objectives.

In contrast, Data Architecture centers on the data management strategy, addressing data storage, retrieval, and integration processes. Technology Architecture pertains to the hardware and software infrastructure that supports the organization's IT operations, while Application Architecture focuses on individual applications and their interactions within the technology landscape. Each of these architectures plays a crucial role in the overall enterprise architecture but specifically, Business Architecture is dedicated to understanding and detailing how the organizational functions harmonize and interact to deliver value.